strcat.c

里面包含很多c语言的源码

/* The strcat() function. */

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

char str1[27] = "a";
char str2[2];

int main( void )
{
    int n;

    /* Put a null character at the end of str2[]. */

    str2[1] = '\0';

    for (n = 98; n< 123; n++)
    {
        str2[0] = n;
        strcat(str1, str2);
        puts(str1);
    }
    return 0;
}