Determine whether an integer represents a valid single-byte character in the initial shift state.

#include <wchar.h>

int btowc(int c);

Parameters

c

Integer to test.

Return Values

Returns the wide-character representation of the character if the integer represents a valid single-byte character in the initial shift state. Returns WEOF if the integer is EOF or is not a valid single-byte character in the initial shift state. The output of this function is affected by the current LC_TYPE locale.

Requirements