c1) write a subroutine fstrcat (char * s, char * t) to complete the function of the string handling function strcat,
2) write a subroutine fstrcpy (char * s, char * t) to complete the function of the string handling function strcpy,
3) write a subroutine FSTRCMP (char * s, char * t) to complete the function of the string handling function STRCMP,
4) write a subroutine fstrlen (char * s) to complete the function of the string handling function strlen,
5) main function function: from the keyboard input string, call the above four sub-models function, output sub function return values or content change of string,
CodePudding user response:
Just write?