28 Text processing library [text] (original) (raw)

28.7 Null-terminated sequence utilities [text.c.strings]

28.7.1 Header synopsis [cctype.syn]

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);}

The contents and meaning of the header are the same as the C standard library header .