The iswdigit function is the wide-character equivalent of the isdigit function. It tests whether wc is a wide character belonging to the wide character class "digit". The wide character class "digi...
The iswgraph function is the wide-character equivalent of the isgraph function. It tests whether wc is a wide character belonging to the wide character class "graph". The wide character class "grap...
The iswlower function is the wide-character equivalent of the islower function. It tests whether wc is a wide character belonging to the wide character class "lower". The wide character class "lowe...
The iswprint function is the wide-character equivalent of the isprint function. It tests whether wc is a wide character belonging to the wide character class "print". The wide character class "prin...
The iswpunct function is the wide-character equivalent of the ispunct function. It tests whether wc is a wide character belonging to the wide character class "punct". The wide character class "punc...
The iswspace function is the wide-character equivalent of the isspace function. It tests whether wc is a wide character belonging to the wide character class "space". The wide character class "spac...
The iswupper function is the wide-character equivalent of the isupper function. It tests whether wc is a wide character belonging to the wide character class "upper". The wide character class "uppe...
The iswxdigit function is the wide-character equivalent of the isxdigit function. It tests whether wc is a wide character belonging to the wide character class "xdigit". The wide character class "x...
The j0() and j1() functions return Bessel functions of x of the first kind of orders 0 and 1, respectively. The jn() function returns the Bessel function of x of the first kind of order n. The y0() an...
The killpg() function causes signal signal to be sent to all the processes in the process group pidgrp or to the processes' own process group if pidgrp is equal to zero. It is equivalent to kill(-pid...
The ldiv() function computes the value numer/denom and returns the quotient and remainder in a structure named ldiv_t that contains two long integer members named quot and rem.
The lgamma() function returns the log of the absolute value of the Gamma function. The sign of the Gamma function is returned in the external integer signgam. For negative integer values of x, lgamma(...
The localeconv() function returns a pointer to a struct lconv for the current locale. This structure is defined in the header-file locale.h and contains all values associated with the locale categorie...
Apply, test or remove a POSIX lock on an open file. The file is specified by fd. This call is just an interface for fcntl(2). Valid operations are given below: F_LOCK Set an exclusive lock to the file...
