Mega Code Archive

 

Categories / C / Code Snippets

 

Get pointer to error message string how to use strerror

#include <stdio.h> #include <string.h> #include <errno.h> int main () { FILE *file; file = fopen ("myfile.txt","r"); if (file == NULL) printf ("Error opening file myfile.txt: %s\n", strerror(errno)); return 0; }