Comments (2)
I rewrote the algorithm for converting a letter to lowercase (StackOverflow)
char tolower(int c)
{
// (int)a = 97, (int)A = 65
// (a)97 - (A)65 = 32
// therefore 32 + 65 = a
return c > 64 && c < 91 ? c + 32 : c;
}
It can be written shorter:
#define tolower(c) c > 64 && c < 91 ? c + 32 : c
from cpplabs.
#define tolower(c) c > 64 && c < 91 ? c + 32 : c
not working...
from cpplabs.
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from cpplabs.