A RetroSearch Logo

Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Search Query:

Showing content from https://en.cppreference.com/w/cpp/language/../error/error_code/../../../cpp/header/cctype.html below:

Standard library header <cctype> - cppreference.com

This header was originally in the C standard library as <ctype.h>.

This header is part of the null-terminated byte strings library.

Functions checks if a character is alphanumeric
(function) [edit] checks if a character is alphabetic
(function) [edit] checks if a character is lowercase
(function) [edit] checks if a character is an uppercase character
(function) [edit] checks if a character is a digit
(function) [edit] checks if a character is a hexadecimal character
(function) [edit] checks if a character is a control character
(function) [edit] checks if a character is a graphical character
(function) [edit] checks if a character is a space character
(function) [edit] checks if a character is a blank character
(function) [edit] checks if a character is a printing character
(function) [edit] checks if a character is a punctuation character
(function) [edit] converts a character to lowercase
(function) [edit] converts a character to uppercase
(function) [edit] [edit] Synopsis
namespace std {
  int isalnum(int c);
  int isalpha(int c);
  int isblank(int c);
  int iscntrl(int c);
  int isdigit(int c);
  int isgraph(int c);
  int islower(int c);
  int isprint(int c);
  int ispunct(int c);
  int isspace(int c);
  int isupper(int c);
  int isxdigit(int c);
  int tolower(int c);
  int toupper(int c);
}

RetroSearch is an open source project built by @garambo | Open a GitHub Issue

Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo

HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4