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strerror

Usage

   #include <string.h>
   char *strerror(int errornum);

   ANSI

Description

   Maps errornum to an error message string and returns a pointer to that
   string.

Example 

   #include <stdio.h>
   #include <errno.h>

   #include <io.h>
   #include <dos.h>
   #include <string.h>
   #include <stdlib.h>

   int main()
   {
       int fp;

       errno = 0;
       if((fp = open("file",O_RDONLY)) == -1)
           {
               printf(strerror(errno));
           }
       close(fp);
       return EXIT_SUCCESS;
   }

Return Value

   strerror returns a pointer to the error message string.

See Also

   perror