NeoMutt  2025-09-05-14-gb97658
Teaching an old dog new tricks
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ctype(3) wrapper functions

The arguments to ctype(3) functions need to be EOF or representable as an unsigned char.

These replacement functions avoid replicating the checks for valid arguments.

Functions

Function Description Links
mutt_isalnum() isalnum(3)
mutt_isalpha() isalpha(3)
mutt_isdigit() isdigit(3)
mutt_ispunct() ispunct(3)
mutt_isspace() isspace(3)
mutt_isxdigit() isxdigit(3)
mutt_tolower() tolower(3)
mutt_toupper() toupper(3)