{"id":8378,"date":"2015-04-04T17:34:24","date_gmt":"2015-04-04T21:34:24","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=8378"},"modified":"2015-11-10T08:51:04","modified_gmt":"2015-11-10T13:51:04","slug":"%e0%a6%b8%e0%a6%bf-%e0%a6%aa%e0%a7%8d%e0%a6%b0%e0%a7%8b%e0%a6%97%e0%a7%8d%e0%a6%b0%e0%a6%be%e0%a6%ae%e0%a6%bf%e0%a6%99%e0%a7%87-%e0%a6%8f%e0%a6%b0%e0%a6%b0-%e0%a6%b9%e0%a7%8d%e0%a6%af%e0%a6%be","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=8378","title":{"rendered":"\u09b8\u09bf \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0999\u09c7 \u098f\u09b0\u09b0 \u09b9\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09c7\u09b2\u09bf\u0982 . Error Handling in C Programming"},"content":{"rendered":"

\u09b8\u09bf \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0999\u09c7 \u098f\u09b0\u09b0 \u09b9\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09c7\u09b2\u09bf\u0982
\n\u09b0\u09bf\u09a6\u0993\u09df\u09be\u09a8 \u09ac\u09bf\u09a8 \u09b6\u09be\u09ae\u09c0\u09ae<\/p>\n

\u09af\u09c7\u09b9\u09c7\u09a4\u09c1 \u09b8\u09bf \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0999\u09c7 \u09b8\u09b0\u09be\u09b8\u09b0\u09bf \u09ad\u09c1\u09b2 \u09b8\u0982\u09b6\u09cb\u09a7\u09a8\u09c7\u09b0 \u09b8\u09c1\u09af\u09cb\u0997 \u09a8\u09c7\u0987 \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 \u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0982 \u09b2\u09cd\u09af\u09be\u0999\u09cd\u0997\u09c1\u09df\u09c7\u099c \u09b9\u0993\u09df\u09be\u09b0 \u0995\u09be\u09b0\u09a3\u09c7 \u0995\u09bf\u099b\u09c1 \u09a8\u09bf\u09ae\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8\u09c7\u09b0 \u09b8\u09c1\u09af\u09cb\u0997 \u09a6\u09bf\u09df\u09c7 \u09a5\u09be\u0995\u09c7\u0964 \u09ac\u09c7\u09b6\u09bf\u09b0\u09ad\u09be\u0997 \u09b8\u09bf \u098f\u09ae\u09a8\u0995\u09bf \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u09ab\u09be\u0982\u09b6\u09a8\u0993 -1 \u09ac\u09be NULL \u09b0\u09bf\u099f\u09be\u09b0\u09cd\u09a8 \u09a6\u09c7\u0996\u09be\u09df, \u098f\u09ac\u0982 errno \u09a8\u09be\u09ae\u0995 \u098f\u09b0\u09b0 \u0995\u09cb\u09a1 \u09aa\u09cd\u09b0\u09a6\u09b0\u09cd\u09b6\u09a8 \u0995\u09b0\u09c7 \u09af\u09be \u098f\u0995\u099f\u09bf \u0997\u09cd\u09b2\u09cb\u09ac\u09be\u09b2 \u0995\u09cb\u09a1, \u09af\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6 \u0995\u09b0\u09c7 \u09ad\u09c1\u09b2\u099f\u09bf \u0995\u09cb\u09a8 \u09ab\u09be\u0982\u09b6\u09a8 \u0995\u09b2\u09c7\u09b0 \u09b8\u09ae\u09df \u09b9\u09df\u09c7\u099b\u09bf\u09b2\u0964 \u09b9\u09bf\u09a1\u09be\u09b0 \u09ab\u09be\u0987\u09b2\u09c7 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u098f\u09b0\u09b0 \u0995\u09cb\u09a1 \u09aa\u09be\u0993\u09df\u09be \u09af\u09be\u09df\u0964 \u09a4\u09be\u0987 \u09b8\u09bf \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0982 \u09b0\u09bf\u099f\u09be\u09b0\u09cd\u09a8 \u09ad\u09cd\u09af\u09b2\u09c1 \u099a\u09c7\u0995 \u0995\u09b0\u09c7 \u0993 \u09b8\u09c7\u0987 \u09ae\u09cb\u09a4\u09be\u09ac\u09c7\u0995 \u09ac\u09cd\u09af\u09ac\u09b8\u09cd\u09a5\u09be \u09a8\u09c7\u09df\u0964 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u09b6\u09c1\u09b0\u09c1\u09b0 \u09b8\u09ae\u09df errno \u0995\u09c7 \u09e6 \u09a8\u09bf\u09b0\u09cd\u09a7\u09be\u09b0\u09a3 \u0995\u09b0\u09c7 \u09a8\u09c7\u09df\u09be \u09ad\u09be\u09b2, \u098f\u09b0 \u09ae\u09be\u09a8\u09c7 \u09b9\u099a\u09cd\u099b\u09c7 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09c7 \u0995\u09cb\u09a8 \u09ad\u09c1\u09b2 \u09a8\u09c7\u0987\u0964
\nerrno, perror()\u098f\u09ac\u0982 strerror()
\nperror() \u098f\u09ac\u0982 strerror(),errno\u098f\u09b0 \u0985\u09a7\u09c0\u09a8\u09c7 \u099f\u09c7\u0995\u09cd\u09b8\u099f \u09ae\u09c7\u09b8\u09c7\u099c \u09aa\u09cd\u09b0\u09a6\u09b0\u09cd\u09b6\u09a8\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df\u0964 perror() \u09ab\u09be\u0982\u09b6\u09a8 \u098f\u09b0 \u0995\u09be\u099b\u09c7 \u09b8\u09b0\u09ac\u09b0\u09be\u09b9\u0995\u09c3\u09a4 string \u09aa\u09cd\u09b0\u09a6\u09b0\u09cd\u09b6\u09a8 \u0995\u09b0\u09c7 \u0995\u09cb\u09b2\u09a8, \u09b8\u09cd\u09aa\u09c7\u09b8\u09c7\u09b0
\n\u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7, \u09a4\u09be\u09b0\u09aa\u09b0 \u09b2\u09bf\u0996\u09bf\u09a4 \u09ac\u09be\u09b0\u09cd\u09a4\u09be \u0986\u0995\u09be\u09b0\u09c7 errno value \u09aa\u09cd\u09b0\u09a6\u09b0\u09cd\u09b6\u09a8 \u0995\u09b0\u09c7\u0964 strerror()\u09ab\u09be\u0982\u09b6\u09a8 \u09b2\u09bf\u0996\u09bf\u09a4 \u09ac\u09be\u09b0\u09cd\u09a4\u09be\u09b0 \u098f\u0995\u099f\u09bf \u09aa\u09df\u09c7\u09a8\u09cd\u099f\u09be\u09b0 \u09ab\u09c7\u09b0\u09a4 \u09a6\u09c7\u09df, \u09ac\u09b0\u09cd\u09a4\u09ae\u09be\u09a8 errno value \u09b8\u09b9\u0964 \u098f\u0995\u099f\u09bf \u098f\u09b0\u09b0 \u0995\u09a8\u09cd\u09a1\u09bf\u09b6\u09a8 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09c7 \u098f\u09ae\u09a8 \u098f\u0995\u099f\u09bf \u09ab\u09be\u0987\u09b2 \u0996\u09cb\u09b2\u09be\u09b0 \u099a\u09c7\u09b7\u09cd\u099f\u09be \u0995\u09b0\u09be \u09af\u09be\u0995 \u09af\u09be\u09b0 \u0985\u09b8\u09cd\u09a4\u09bf\u09a4\u09cd\u09ac\u0987 \u09a8\u09c7\u0987\u0964 \u098f\u0996\u09be\u09a8\u09c7 \u09af\u09a6\u09bf\u0993 \u09a6\u09c1\u099f\u09bf \u09ab\u09be\u0982\u09b6\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09ac\u09c7, \u098f\u0995\u099f\u09bf \u09ac\u09be \u09ac\u09c7\u09b6\u09bf \u09ab\u09be\u0982\u09b6\u09a8\u0993 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09af\u09be\u09df\u0964 \u0986\u09b0\u09c7\u0995\u099f\u09bf \u09ac\u09cd\u09af\u09aa\u09be\u09b0 \u09b9\u09b2, stderr file stream \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09ad\u09be\u09b2 \u098f\u09b0\u09b0\u09c7\u09b0 \u0986\u0989\u099f\u09aa\u09c1\u099f \u09aa\u09be\u0993\u09df\u09be\u09b0 \u099c\u09a8\u09cd\u09af\u0964
\n#include <stdio.h>
\n#include <errno.h>
\n#include <string.h><\/p>\n

extern int errno ;<\/p>\n

int main ()
\n{
\nFILE * pf;
\nint errnum;
\npf = fopen (“unexist.txt”, “rb”);
\nif (pf == NULL)
\n{
\nerrnum = errno;
\nfprintf(stderr, “Value of errno: %d\\n”, errno);
\nperror(“Error printed by perror”);
\nfprintf(stderr, “Error opening file: %s\\n”, strerror( errnum ));
\n}
\nelse
\n{
\nfclose (pf);
\n}
\nreturn 0;
\n}
\n\u0989\u09aa\u09b0\u09cb\u0995\u09cd\u09a4 \u0995\u09cb\u09a1 \u09b2\u09c7\u0996\u09be\u09b0 \u09aa\u09b0 \u09af\u09c7 \u09ab\u09b2\u09be\u09ab\u09b2 \u0986\u09b8\u09ac\u09c7 \u09a4\u09be \u09b9\u09b2,
\nValue of errno: 2
\nError printed by perror: No such file or directory
\nError opening file: No such file or directory<\/p>\n

\u09b6\u09c2\u09a8\u09cd\u09af \u098f\u09b0\u09b0 \u09a6\u09bf\u09df\u09c7 \u09a1\u09bf\u09ad\u09be\u0987\u09a1 \u0995\u09b0\u09be\u0983 \u0985\u09a8\u09c7\u0995 \u09a1\u09c7\u09ad\u09b2\u09aa\u09be\u09b0 \u098f\u099f\u09bf \u0995\u09b0\u09c7\u09a8 \u09a8\u09be, \u09af\u09be\u09b0 \u09ab\u09b2\u09c7 \u09b0\u09be\u09a8\u099f\u09be\u0987\u09ae \u098f\u09b0\u09b0 \u09b9\u09df\u09c7 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u099f\u09bf \u0985\u099a\u09b2 \u09b9\u09df\u09c7 \u09af\u09be\u09df\u0964 \u09b6\u09c2\u09a8\u09cd\u09af \u098f\u09b0\u09b0 \u09a6\u09bf\u09df\u09c7 \u09a1\u09bf\u09ad\u09be\u0987\u09a1 \u0995\u09b0\u09a4\u09c7 \u09a8\u09bf\u099a\u09c7\u09b0 \u0995\u09cb\u09a1 \u09b2\u09bf\u0996\u09a4\u09c7 \u09b9\u09ac\u09c7,
\n#include <stdio.h>
\n#include <stdlib.h><\/p>\n

main()
\n{
\nint dividend = 20;
\nint divisor = 0;
\nint quotient;<\/p>\n

if( divisor == 0){
\nfprintf(stderr, “Division by zero! Exiting…\\n”);
\nexit(-1);
\n}
\nquotient = dividend \/ divisor;
\nfprintf(stderr, “Value of quotient : %d\\n”, quotient );<\/p>\n

exit(0);
\n}
\n\u09a0\u09bf\u0995\u09ad\u09be\u09ac\u09c7 \u09b2\u09bf\u0996\u09b2\u09c7 \u09af\u09be \u09ab\u09b2\u09be\u09ab\u09b2 \u09b9\u09ac\u09c7 \u09a4\u09be \u09b9\u09b2,
\nDivision by zero! Exiting…
\n\u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09c7\u09b0 Exit Status \u0983 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0999\u09c7 \u0995\u09cb\u09a8 \u09b8\u09ab\u09b2 \u0995\u09cb\u09a1\u09bf\u0999\u09c7\u09b0 \u09aa\u09b0\u09c7 EXIT_SUCCESS \u0995\u09cb\u09a1 \u09aa\u09be\u0993\u09df\u09be \u09af\u09be\u09df \u09af\u09be \u09ae\u09c2\u09b2\u09a4 \u098f\u0995\u099f\u09bf \u09ae\u09cd\u09af\u09be\u0995\u09cd\u09b0\u09cb, \u098f\u09b0 \u09ae\u09be\u09a8 \u09e6, \u0995\u09cb\u09a8 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09c7 \u098f\u09b0\u09b0 \u0995\u09a8\u09cd\u09a1\u09bf\u09b6\u09a8 \u09a5\u09be\u0995\u09b2\u09c7 \u098f\u09ac\u0982 \u09b8\u09c7\u09ad\u09be\u09ac\u09c7\u0987 \u09ac\u09c7\u09b0 \u09b9\u09df\u09c7 \u0986\u09b8\u09be\u09b0 \u099a\u09c7\u09b7\u09cd\u099f\u09be \u0995\u09b0\u09b2\u09c7 \u098f\u0987 \u0995\u09cb\u09a1\u099f\u09bf \u09a6\u09c7\u0996\u09be\u09ac\u09c7, EXIT_FAILURE\u0964 \u09af\u09c7\u099f\u09bf\u0995\u09c7 -1 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u0995\u09be\u09b6 \u0995\u09b0\u09be \u09b9\u09df, \u09a4\u09be\u0987 \u098f\u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u098f\u0987 \u0995\u09cb\u09a1 \u09b2\u09c7\u0996\u09be \u09b9\u09df,
\n#include <stdio.h>
\n#include <stdlib.h><\/p>\n

main()
\n{
\nint dividend = 20;
\nint divisor = 5;
\nint quotient;<\/p>\n

if( divisor == 0){
\nfprintf(stderr, “Division by zero! Exiting…\\n”);
\nexit(EXIT_FAILURE);
\n}
\nquotient = dividend \/ divisor;
\nfprintf(stderr, “Value of quotient : %d\\n”, quotient );<\/p>\n

exit(EXIT_SUCCESS);
\n}
\n\u09a0\u09bf\u0995\u09ad\u09be\u09ac\u09c7 \u09b2\u09bf\u0996\u09be \u09b9\u09b2\u09c7 \u09af\u09c7 \u09ab\u09b2\u09be\u09ab\u09b2 \u0986\u09b8\u09ac\u09c7 \u09a4\u09be \u09b9\u09b2,
\nValue of quotient : 4<\/p>\n

\u098f\u09b0\u099a\u09c7\u09df\u09c7 \u0995\u09ae \u0993\u09df\u09be\u09b0\u09cd\u09a1\u09c7 \u09b9\u09b2 \u09a8\u09be\u0964 \u09ac\u09cb\u09a8\u09be\u09b8 (1.20 => 350 words article) \u0986\u09b6\u09be \u0995\u09b0\u099b\u09bf\u0964<\/p>\n","protected":false},"excerpt":{"rendered":"

\u09b8\u09bf \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0999\u09c7 \u098f\u09b0\u09b0 \u09b9\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09c7\u09b2\u09bf\u0982 \u09b0\u09bf\u09a6\u0993\u09df\u09be\u09a8 \u09ac\u09bf\u09a8 \u09b6\u09be\u09ae\u09c0\u09ae \u09af\u09c7\u09b9\u09c7\u09a4\u09c1 \u09b8\u09bf \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0999\u09c7 \u09b8\u09b0\u09be\u09b8\u09b0\u09bf \u09ad\u09c1\u09b2 \u09b8\u0982\u09b6\u09cb\u09a7\u09a8\u09c7\u09b0 \u09b8\u09c1\u09af\u09cb\u0997 \u09a8\u09c7\u0987 \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 \u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0982 \u09b2\u09cd\u09af\u09be\u0999\u09cd\u0997\u09c1\u09df\u09c7\u099c \u09b9\u0993\u09df\u09be\u09b0 \u0995\u09be\u09b0\u09a3\u09c7 \u0995\u09bf\u099b\u09c1 \u09a8\u09bf\u09ae\u09cd\u09a8 \u09ae\u09be\u09a8\u09c7\u09b0 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8\u09c7\u09b0 \u09b8\u09c1\u09af\u09cb\u0997 \u09a6\u09bf\u09df\u09c7 \u09a5\u09be\u0995\u09c7\u0964 \u09ac\u09c7\u09b6\u09bf\u09b0\u09ad\u09be\u0997 \u09b8\u09bf \u098f\u09ae\u09a8\u0995\u09bf \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u09ab\u09be\u0982\u09b6\u09a8\u0993 -1 \u09ac\u09be NULL \u09b0\u09bf\u099f\u09be\u09b0\u09cd\u09a8 \u09a6\u09c7\u0996\u09be\u09df, \u098f\u09ac\u0982 errno \u09a8\u09be\u09ae\u0995 \u098f\u09b0\u09b0 \u0995\u09cb\u09a1 \u09aa\u09cd\u09b0\u09a6\u09b0\u09cd\u09b6\u09a8 \u0995\u09b0\u09c7 \u09af\u09be \u098f\u0995\u099f\u09bf \u0997\u09cd\u09b2\u09cb\u09ac\u09be\u09b2 \u0995\u09cb\u09a1, \u09af\u09be \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6 \u0995\u09b0\u09c7 \u09ad\u09c1\u09b2\u099f\u09bf \u0995\u09cb\u09a8 \u09ab\u09be\u0982\u09b6\u09a8 … <\/p>\n

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