feat: expand user mode, add DOOM game, add manpages

programs/include/libc/sys/stat.h

@@ -0,0 +1,24 @@
+#ifndef _LIBC_SYS_STAT_H
+#define _LIBC_SYS_STAT_H
+
+#pragma once
+
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct stat {
+    unsigned long st_size;
+};
+
+int mkdir(const char *path, unsigned int mode);
+int stat(const char *path, struct stat *buf);
+int fstat(int fd, struct stat *buf);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBC_SYS_STAT_H */

programs/include/libc/sys/time.h

@@ -0,0 +1,24 @@
+#ifndef _LIBC_SYS_TIME_H
+#define _LIBC_SYS_TIME_H
+
+/* Stub header for ZenithOS */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct timeval {
+    long tv_sec;
+    long tv_usec;
+};
+
+struct timezone {
+    int tz_minuteswest;
+    int tz_dsttime;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBC_SYS_TIME_H */

programs/include/libc/sys/types.h

@@ -0,0 +1,23 @@
+#ifndef _LIBC_SYS_TYPES_H
+#define _LIBC_SYS_TYPES_H
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef unsigned long size_t;
+typedef long          ssize_t;
+typedef long          off_t;
+typedef int           pid_t;
+typedef unsigned int  mode_t;
+typedef unsigned int  uid_t;
+typedef unsigned int  gid_t;
+typedef long          time_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LIBC_SYS_TYPES_H */