perror: maps error message to the global variable errno and outputs that string to stderr : perror « stdio.h « C / ANSI-C

1. C / ANSI-C
2. stdio.h
3. perror

perror: maps error message to the global variable errno and outputs that string to stderr

    

//Header file:     #include <stdio.h>  
//Declaration:     void perror(const char *str); 
  

  #include <stdio.h>
  #include <stdlib.h>

  int main(void)
  {

    perror("File error ");
  }

         
/*
File error : No Error
*/
           
       

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