C strerror() Function

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C strerror() Function

The strerror() function translates the error code to a suitable string that describes the error.


C Compiler
#include <stdio.h> #include <string.h> #include <errno.h> int main() { FILE *fp; fp = fopen("no-file.txt", "r"); if(fp == NULL) printf("Error: %s", strerror(errno)); return 0; }


Error: No such file or directory


char *strerror(int errnum)

Parameter Values

errnoRequiredSpecifies the error code.

Return Value

AddressReturns a pointer to the error string describing error errnum.


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