Item Value
Header filestring.h
Declarationchar *strcat(char *str1, const char *str2);
Functionconcatenates a copy of *str2 to *str1 and terminates *str1 with a null.
Returnreturns *str1.
You have to ensure that str1 is large enough to hold both its original contents and those of str2.
#include
#include
int main(void)
{
char s1[80], s2[80];
printf("s1:");
gets(s1);
printf("s2:");
gets(s2);
strcat(s2, s1);
printf(s2);
return 0;
}
s1:s
s2:2
2s