wint_t(3type) wint_t(3type) NAME wint_t, WEOF - integer type capable of storing any wchar_t or WEOF LIBRARY Standard C library (libc) SYNOPSIS #include typedef /* ... */ wint_t; #define WEOF /* ... */ #include #define WINT_WIDTH /* ... */ #define WINT_MAX /* ... */ #define WINT_MIN /* ... */ DESCRIPTION wint_t is a type used in functions that work with wide characters. It is capable of storing any valid wchar_t(3type) or WEOF. It is an integer type. WEOF is used by wide-character functions to indicate the end of an input file or an error. It is of type wint_t. STANDARDS C11, POSIX.1-2024. HISTORY wint_t WEOF SUSv1, C99, POSIX.1-2001. WINT_MAX WINT_MIN C99, POSIX.1-2001. The WINT_WIDTH macro was added in C23. NOTES The following header also provides wint_t and WEOF: . SEE ALSO wchar_t(3type), fputwc(3) Linux man-pages 6.19 2026-01-09 wint_t(3type)