Small white help # include Int main () { Void copy_string (char from [], char to []); Char a []="I am a to the teacher."; Char [b]="You are a student."; Printf (" string a=% s \ nstring b=% s \ n ", a, b); Printf (" copy the string a to string b: \ n "); Cpoy_string (a, b); Printf (" \ nstring \ nstring b=a=% s % s \ n ", a, b); return 0; } Void copy_string (char from [], char to []) { int i=0; While (the from [I]!='\ 0') { The to [I]=the from [I]; i++; } [I]='\ 0'), }
Prompt error undefined reference to ` cpoy_string ' I'm reading is also the same, why not defined