Function pointer 2 : Function Pointer « Function « C / ANSI-C

1. C / ANSI-C
2. Function
3. Function Pointer

Function pointer 2

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

int compvalues(const char *a, const char *b);
void check(char *a, char *b,int (*cmp)(const char *, const char *));
int main(void)
{
  char s1[80]="123", s2[80]="123";

  printf("Testing values for equality.\n");
  check(s1, s2, compvalues);


  return 0;
}
void check(char *a, char *b,int (*cmp)(const char *, const char *))
{
  if(!(*cmp)(a, b))
     printf("Equal");
  else
     printf("Not Equal");
}
int compvalues(const char *a, const char *b)
{
  if(atoi(a)==atoi(b))
     return 0;
  else
     return 1;
}

  

           
       

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