Concatenates a string after another string.

[Format]

#include <string.h>

char *strcat (char *s1, const char *s2);

[Parameters]

s1 Pointer to the string after which another string is appended

s2 Pointer to the string to be appended after the other string

[Return values]

s1 value

[Remarks]

The strcat function concatenates the string specified by s2 at the end of another string specified by s1. The null character indicating the end of the s2 string is also copied. The null character at the end of the s1 string is deleted.