POSIX CYGWIN GLIBC headers ctype.h functions isalnum_l isalnum_l isalnum_l functions isalpha_l isalpha_l isalpha_l functions isblank_l isblank_l isblank_l functions iscntrl_l iscntrl_l iscntrl_l functions isdigit_l isdigit_l isdigit_l functions isgraph_l isgraph_l isgraph_l functions islower_l islower_l islower_l functions isprint_l isprint_l isprint_l functions ispunct_l ispunct_l ispunct_l functions isspace_l isspace_l isspace_l functions isupper_l isupper_l isupper_l functions isxdigit_l isxdigit_l isxdigit_l functions tolower_l tolower_l tolower_l functions toupper_l toupper_l toupper_l functions toascii_l toascii_l functions isascii_l isascii_l headers wctype.h functions iswalnum_l iswalnum_l iswalnum_l functions iswalpha_l iswalpha_l iswalpha_l functions iswblank_l iswblank_l iswblank_l functions iswcntrl_l iswcntrl_l iswcntrl_l functions iswctype_l iswctype_l iswctype_l functions iswdigit_l iswdigit_l iswdigit_l functions iswgraph_l iswgraph_l iswgraph_l functions iswlower_l iswlower_l iswlower_l functions iswprint_l iswprint_l iswprint_l functions iswpunct_l iswpunct_l iswpunct_l functions iswspace_l iswspace_l iswspace_l functions iswupper_l iswupper_l iswupper_l functions iswxdigit_l iswxdigit_l iswxdigit_l functions towctrans_l towctrans_l towctrans_l functions towlower_l towlower_l towlower_l functions towupper_l towupper_l towupper_l functions wctrans_l wctrans_l wctrans_l functions wctype_l wctype_l wctype_l headers locale.h functions duplocale duplocale duplocale functions freelocale freelocale freelocale functions newlocale newlocale newlocale functions uselocale uselocale uselocale headers wchar.h functions wcscasecmp_l wcscasecmp_l wcscasecmp_l functions wcscoll_l wcscoll_l wcscoll_l functions wcsncasecmp_l wcsncasecmp_l wcsncasecmp_l functions wcsxfrm_l wcsxfrm_l wcsxfrm_l functions wcstod_l wcstod_l functions wcstof_l wcstof_l functions wcstol_l wcstol_l functions wcstold_l wcstold_l functions wcstoll_l wcstoll_l functions wcstoul_l wcstoul_l functions wcstoull_l wcstoull_l functions * wcsftime_l headers string.h functions strcoll_l strcoll_l strcoll_l functions strerror_l * strerror_l functions strxfrm_l strxfrm_l strxfrm_l functions ? strcasecmp_l functions ? strncasecmp_l headers strings.h functions strcasecmp_l strcasecmp_l strcasecmp_l functions strncasecmp_l strncasecmp_l strncasecmp_l headers langinfo.h functions nl_langinfo_l nl_langinfo_l nl_langinfo_l headers monetary.h functions strfmon_l strfmon_l strfmon_l headers time.h functions strftime_l strftime_l strftime_l functions * strptime_l headers stdlib.h functions strtod_l strtod_l functions strtof_l strtof_l functions strtol_l strtol_l functions strtold_l strtold_l functions strtoll_l strtoll_l functions strtoul_l strtoul_l functions strtoull_l strtoull_l