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c++ built-in function strupr()

What is the header file must be included in sololearn c++ compiler in order to enable use of function strptr(string) like touper(char var) or tolower(char var)? thank you.

c++

8/19/2020 4:49:29 AM

Oliver Pasaribu

1 Answer

New Answer

+3

strupr is a non-standard function not supported by sololearn c++ compiler. You will need to convert lower to uppercase char by char. for functions toupper or tolower include <cctype>