test8_3.txt

Linux下的C语言编程

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

void upcase(char *inputstring,char *newstring);

int main(void)
{
    	char str1[4], str2[4];
    
    	upcase("Hello" , str1);
    	capitao("Goodbye", str2);

    	printf("str1=%s, str2=%s\n", str1, str2);
    	return 0;
}


void upcase(char *inputstring, char *newstring)
{
    	int counter;

    	strncpy(newstring, inputstring,sizeof(newstring));
	for(counter=0; counter<strlen(newstring); counter++)
	{
        	if(newstring[counter]>=97&&newstring[counter]<=122)
             		newstring[counter]-=32;
	}
	return ;
}