Linux-Error handling code (C)

Error handling code (C)

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Error handling functions are included in <errno.h> , mainly using two functions,strerror () returns the error message string, andperror () outputs the error message directly.

Code:

/*by C.l.wang * Eclipse CDT * Ubuntu 12.04 * 2014.10.5*/#include "apue.h" #include "error.h" #include <errno.h>int mai n (int argc, char* argv[]) {fprintf (stderr, "eacces:%s\n", Strerror (eacces));//First line error errno = Enoent;perror (argv[0]);//second Row error exit (0);}

Output:

Eacces:permission denied/home/wang/workspace/helloworld/debug/helloworld:no such file or directory

Linux-Error handling code (C)