New posts in toupper

C For loop skips first iteration and bogus number from loop scanf

c for-loop scanf toupper bogus

Getting no output why is that?

c scope c-strings function-definition toupper

Why is the alphabet split into multiple ranges in this C code?

c++ c character toupper

Do I need to cast to unsigned char before calling toupper(), tolower(), et al.?

c++ language-lawyer undefined-behavior toupper tolower