cmp.c

来自「自己写的一个ftp client」· C语言 代码 · 共 29 行

#include<stdlib.h>
#include<stdio.h>
#include<string.h>
int main(){
	char *buf=malloc( 10 );
	int i;
//	strcpy(buf,"hello");
	buf="hello";
	for(i=0;i<7;i++){
		printf("%d ",*(buf+i) );
	}
	printf( "%s\n" , buf );
	printf( "%x\n" , buf );
	char *newbuf;
/*
	newbuf=realloc( buf ,  20 );
	printf("here\n");
	printf("new:%x old:%x\n",newbuf,buf);
	printf("here\n");
	if(newbuf==NULL){
		perror("realloc\n");
	}
	strcpy(newbuf , "hello world\n" );
	printf("here\n");
	printf( "%s" ,newbuf );
*/
	exit(0);
}