strdup.c

里面包含很多c语言的源码

/* The non-ANSI strdup() function. */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

char source[] = "The source string.";

int main( void )
{
    char *dest;

    if ( (dest = strdup(source)) == NULL)
    {
        fprintf(stderr, "Error allocating memory.");
        exit(1);
    }

    printf("The destination = %s\n", dest);
    return 0;
}