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 ·ÖÎö£ºÌâÄ¿ºÜÃ÷È·£¨×Ô¼ºÊµÏÖstrlenµÄ¹¦ÄÜ£©£¬Ò²²»ÄÑ£¬Ö÷ÒªÊÇ¿¼²ìC×Ö·û´®»ù±¾¹¦£¬Ò»°ãÈ˶¼Ó¦¸ÃÄÜдºÃ¡£Ö±½Ó¸ø´úÂ룺
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int strlength(const char* str)
{
int i=0;
while(*str!=0)
{
i++;
str++;
}
return i;
}
int main()
{
const char* test="abcdef";
printf("²âÊÔ×Ö·û´®³¤¶ÈΪ:%d\n",strlen(test));
return 0;
}
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·ÖÎö£ºÌâÄ¿ÒÀ¾É¼òµ¥£¬Ö±½Ó¸ø´úÂ룺
#include <stdio.h>
void convert(char *str)
{
while(*str!=0)
{
if(*str>='a'&&*str<='z')
{
*str=*str+'A'-'a';
}
str++;
}
}
int main()
{
char test[]="abcdef";
printf("ת»¯Ç°µÄ×Ö·û´®Îª£º%s\n",test);
convert(test);
printf("ת»¯ºóµÄ×Ö·û´®Îª£º%s\n",test);
return 0;
}
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