16-Bit Language Tools Libraries
strcat
Description:
Include:
Prototype:
Appends a copy of the source string to the end of the destination string.
<string.h>
char *strcat(char * s1 , const char * s2 );
Arguments:
s1
s2
null terminated destination string to copy to
null terminated source string to be copied
DS51456E-page 120
Return Value:
Remarks:
Example:
Returns a pointer to the destination string.
This function appends the source string (including the terminating null
character) to the end of the destination string. The initial character of
the source string overwrites the null character at the end of the destina-
tion string. If the buffers overlap, the behavior is undefined.
#include <string.h> /* for strcat, strlen */
#include <stdio.h> /* for printf */
int main(void)
{
char buf1[50] = "We're here";
char buf2[50] = "Where is the time?";
printf("buf1 : %s\n", buf1);
printf("\t(%d characters)\n\n", strlen(buf1));
printf("buf2 : %s\n", buf2);
printf("\t(%d characters)\n\n", strlen(buf2));
strcat(buf1, buf2);
printf("buf1 after strcat of buf2: \n\t%s\n",
buf1);
printf("\t(%d characters)\n", strlen(buf1));
printf("\n");
strcat(buf1, "Why?");
printf("buf1 after strcat of \"Why?\": \n\t%s\n",
buf1);
printf("\t(%d characters)\n", strlen(buf1));
}
Output:
buf1 : We're here
(10 characters)
buf2 : Where is the time?
(18 characters)
buf1 after strcat of buf2:
We're hereWhere is the time?
(28 characters)
buf1 after strcat of "Why?":
We're hereWhere is the time?Why?
(32 characters)
? 2008 Microchip Technology Inc.
相关PDF资料
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