函数名:
strcmp
功 能: 串比较
用 法:
int
strcmp
(
char
*str1,
char
*str2);
看Asic码,str1>str2,返回值 > 0;两串相等,返回0
程序例:
#include <string.h>
#include <stdio.h>
int
main(
void
)
{
char
*buf1 =
"aaa"
, *buf2 =
"bbb"
, *buf3 =
"ccc"
;
int
ptr;
ptr =
strcmp
(buf2, buf1);
if
(ptr > 0)
printf
(
"buffer 2 is greater than buffer 1\n"
);
else
printf
(
"buffer 2 is less than buffer 1\n"
);
ptr =
strcmp
(buf2, buf3);
if
(ptr > 0)
printf
(
"buffer 2 is greater than buffer 3\n"
);
else
printf
(
"buffer 2 is less than buffer 3\n"
);
return
0;
}
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