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strerror

Header File 

string.h 

Category 

Memory and String Manipulation Routines 

Prototype 

char *strerror(int errnum); 

Description 

Returns a pointer to an error message string. 

strerror takes an int parameter errnum, an error number, and returns a pointer to an error message string associated with errnum. 

Return Value 

strerror returns a pointer to a constructed error string. The error message string is constructed in a static buffer that is overwritten with each call to strerror. 

Example  

#include <stdio.h>
#include <errno.h>
int main(void)
{
  char *buffer;
  buffer = strerror(errno);
  printf("Error: %s\n", buffer);
  return 0;
}

Portability

POSIX 
Win32 
ANSI C 
ANSI C++ 
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