Monday, October 31, 2016

C Library Function– ctype

The <ctype.h> header shall define the following function(s).

Character Classification Functions:
isalnum int isalnum(int any_character);
isalpha int isalpha(int any_character);
isblank(C11) int isblank(int any_character);
iscntrl int iscntrl(int any_character);
isdigit int isdigit(int any_character);
isgraph int isgraph(int any_character);
islower int islower(int any_character);
isprnt int isprint(int any_character);
ispunct int ispunct(int any_character);
isspace int isspace(int any_character);
isupper int isupper(int any_character);
isxdigit int isxdigit(int any_character);

Character case Mapping Functions:
tolower int tolower(int any_character);
toupper int toupper(int any_character);

Related topics:
Library Functions in C   |   Standard Library in C   |   Header Files in C   |   Functions in C   |   Keywords in C   |   Data Types in C   |   Pointers in C

List of topics: C Programming

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