c ×Ö·û´®´¦Àí

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#include <string.h>
 
º¯ÊýÃû: stpcpy
¹¦ ÄÜ: ¿½±´Ò»¸ö×Ö·û´®µ½ÁíÒ»¸ö
ÓÃ ·¨: char *stpcpy(char *destin, char *source);
³ÌÐòÀý:
 
#include <stdio.h>
#include <string.h>
 
int main(void)
{
char string[10];
char *str1 = "abcdefghi";
 
stpcpy(string, str1);
printf("%s\n", string);
return 0;
}
 
 
 
 
º¯ÊýÃû: strcat
¹¦ ÄÜ: ×Ö·û´®Æ´½Óº¯Êý
ÓÃ ·¨: char *strcat(char *destin, char *source);
³ÌÐòÀý:
 
#include <string.h>
#include <stdio.h>
 
int main(void)
{
char destination[25];
char *blank = " ", *c = "C++", *Borland = "Borland";
 
strcpy(destination, Borland);
strcat(destination, blank);
strcat(destination, c);
 
printf("%s\n", destination);
return 0;
}
 
 
 
 
º¯ÊýÃû: strchr
¹¦ ÄÜ: ÔÚÒ»¸ö´®ÖвéÕÒ¸ø¶¨×Ö·ûµÄµÚÒ»¸öÆ¥ÅäÖ®´¦\
ÓÃ ·¨: char *strchr(char *str, char c);
³ÌÐòÀý:
 
#include <string.h>
#include <stdio.h>
 
int main(void)
{
char string[15];
char *ptr, c = 'r';
 
strcpy(string, "This is a string");
ptr = strchr(string, c);
if (ptr)
printf("The character %c is at position: %d\n", c, ptr-string);
else
printf("The character was not found\n");
return 0;
}
 
 
 
 
º¯ÊýÃû: strcmp
¹¦ ÄÜ: ´®±È½Ï
ÓÃ ·¨: int strcmp(char *str1, char *str2);
¿´AsicÂ룬str1>str2£¬·µ»ØÖµ > 0£»Á½´®ÏàµÈ£¬·µ»Ø0
³ÌÐòÀý:
 
#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