Libft(17) - isdigit
Libft(17) - isdigit ISDIGIT(3) BSD Library Functions Manual ISDIGIT(3) NAME isdigit, isnumber -- decimal-digit character test LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include int isdigit(int c); int isnumber(int c); DESCRIPTION The isdigit() function tests for a decimal digit character. Regardless of locale, this includes the following characters only: ``0'' ``1'' ``2'' ``3'' ``4'' ``5''..
2021.06.26