C strerror() Function

You are Here:

C strerror() Function

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

Example

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; }

Output

Error: No such file or directory

Syntax

char *strerror(int errnum)

Parameter Values

ValueTypeExplanation
errnoRequiredSpecifies the error code.

Return Value

ValueExplanation
AddressReturns a pointer to the error string describing error errnum.

Reminder

Hi Developers, we almost covered 98% of String functions and Interview Question on C with examples for quick and easy learning.

We are working to cover every Single Concept in C.

Please do google search for:

Join Our Channel

Join our telegram channel to get an instant update on depreciation and new features on HTML, CSS, JavaScript, jQuery, Node.js, PHP and Python.

This channel is primarily useful for Full Stack Web Developer.

Share this Page

Meet the Author