Error code: Difference between revisions

Revision as of 05:30, 23 April 2008

Revision as of 08:52, 20 May 2008

Line 5:

<source lang="c">

/* attempt to open file for reading */

FILE *fp = fopen("filename", "r");

/* if file cannot be opened, print error number and error string */

if (fp == NULL){

printf("Cannot open file, error %d, %s\n", errno, strerror(errno));

/* Alternatively one can use perror() to provide the above functionality */

perror("Cannot open file");

}

</source>