#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/*******************************
*把小写字母转成大写字母
********************************/
int main(void)
{	char *src=NULL;unsigned char i=0;char *new_1=NULL;char *new_2=NULL;char *d=NULL;src = (char*)malloc(50);new_2 = (char*)malloc(50);d = (char*)malloc(50);printf("****************************************\n");gets(src);new_1=src;i=strlen(src);
//	printf("i:%d\n",i);while(i){if((*new_1>='a')){*d=*new_1-32;//printf("%c",*d);}else{*d=*new_1;//printf("%c",*d);}i--;//printf("%c",*new_1);//printf("%c",*d);new_1++;d++;}*d=0;d=d-strlen(src);//让d批针回到字符串首地址strcpy(new_2,d);//字符串复制函数printf(new_2);printf("\n");printf("****************************************\n");free(src);free(new_2);free(d);return 0;
}