qsort.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 21 行

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

char *CharVect[] = { "last", "middle", "first" };

int compare( const void *op1, const void *op2 )
  {
    const char **p1 = (const char **) op1;
    const char **p2 = (const char **) op2;
    return( strcmp( *p1, *p2 ) );
  }

void main()
  {
    qsort( CharVect, sizeof(CharVect)/sizeof(char *),
          sizeof(char *), compare );
    printf( "%s %s %s\n",
            CharVect[0], CharVect[1], CharVect[2] );
  }