Turn on "error: unknown type name 'u_int32_t" in msys2 on windows7 x64

[zhouxs1023]

I compile source in msys2,but turn on error as below: utf8.h:12:14: error: unknown type name 'u_int32_t'; did you mean 'uint32_t'? 12 | int u8_toucs(u_int32_t *dest, int sz, char *src, int srcsz); | ^~~~~~~~~ | uint32_t utf8.h:15:35: error: unknown type name 'u_int32_t'; did you mean 'uint32_t'? 15 | int u8_toutf8(char *dest, int sz, u_int32_t *src, int srcsz); | ^~~~~~~~~ | uint32_t utf8.h:18:30: error: unknown type name 'u_int32_t'; did you mean 'uint32_t'? 18 | int u8_wc_toutf8(char *dest, u_int32_t ch); | ^~~~~~~~~ | uint32_t utf8.h:27:1: error: unknown type name 'u_int32_t'; did you mean 'uint32_t'? 27 | u_int32_t u8_nextchar(char *s, int *i); | ^~~~~~~~~ | uint32_t utf8.h:41:40: error: unknown type name 'u_int32_t'; did you mean 'uint32_t'? 41 | int u8_read_escape_sequence(char *src, u_int32_t *dest); | ^~~~~~~~~ | uint32_t utf8.h:45:40: error: unknown type name 'u_int32_t'; did you mean 'uint32_t'? 45 | int u8_escape_wchar(char *buf, int sz, u_int32_t ch); | ^~~~~~~~~ | uint32_t utf8.h:61:26: error: unknown type name 'u_int32_t'; did you mean 'uint32_t'? 61 | char *u8_strchr(char *s, u_int32_t ch, int *charn); | ^~~~~~~~~ | uint32_t utf8.h:65:26: error: unknown type name 'u_int32_t'; did you mean 'uint32_t'? 65 | char *u8_memchr(char *s, u_int32_t ch, size_t sz, int *charn); | ^~~~~~~~~ | uint32_t COLLECT_GCC_OPTIONS='-v' '-o' 'bean.exe' '-g' '-Wall' '-mtune=generic' '-march=x86-64'

Thank for advance for you help!