Add build system scaffolding and libc headers

1 files changed, 119 insertions, 0 deletions

diff --git a/include/stdlib.h b/include/stdlib.h
new file mode 100644
index 00000000..4f9c1eb8
--- /dev/null
+++ b/include/stdlib.h
@@ -0,0 +1,119 @@
+#ifndef __STDLIB_H__
+#define __STDLIB_H__
+
+#ifndef NULL
+#define NULL ((void *)0)
+#endif
+
+#define EXIT_FAILURE 1
+#define EXIT_SUCCESS 0
+
+#define WNOHANG	  1
+#define WUNTRACED 2
+
+#define WEXITSTATUS(s) (((s) & 0xff00) >> 8)
+#define WTERMSIG(s)    ((s) & 0x7f)
+#define WSTOPSIG(s)    WEXITSTATUS(s)
+#define WIFEXITED(s)   (!WTERMSIG(s))
+#define WIFSTOPPED(s)  ((short)((((s) & 0xffff) * 0x10001U) >> 8) > 0x7f00)
+#define WIFSIGNALED(s) (((s) & 0xffff) - 1U < 0xffu)
+
+int ___mb_cur_max(void);
+#define MB_CUR_MAX (___mb_cur_max())
+
+#define RAND_MAX (0x7fffffff)
+
+typedef __SIZE_TYPE__ size_t;
+typedef __WCHAR_TYPE__ wchar_t;
+
+typedef struct {
+	int quot;
+	int rem;
+} div_t;
+
+typedef struct {
+	long quot;
+	long rem;
+} ldiv_t;
+
+typedef struct {
+	long long quot;
+	long long rem;
+} lldiv_t;
+
+_Noreturn void _Exit(int);
+long a64l(const char *);
+_Noreturn void abort(void);
+int abs(int);
+void *aligned_alloc(size_t, size_t);
+int at_quick_exit(void (*)(void));
+int atexit(void (*)(void));
+double atof(const char *);
+int atoi(const char *);
+long atol(const char *);
+long long atoll(const char *);
+void *bsearch(const void *, const void *, size_t, size_t,
+	      int (*)(const void *, const void *));
+void *calloc(size_t, size_t);
+div_t div(int, int);
+double drand48(void);
+double erand48(unsigned short[3]);
+_Noreturn void exit(int);
+void free(void *);
+char *getenv(const char *);
+int getsubopt(char **restrict, char *const *restrict, char **restrict);
+int grantpt(int);
+char *initstate(unsigned, char *, size_t);
+long jrand48(unsigned short[3]);
+char *l64a(long);
+long labs(long);
+void lcong48(unsigned short[7]);
+ldiv_t ldiv(long, long);
+long long llabs(long long);
+lldiv_t lldiv(long long, long long);
+long lrand48(void);
+void *malloc(size_t);
+int mblen(const char *, size_t);
+size_t mbstowcs(wchar_t *restrict, const char *restrict, size_t);
+int mbtowc(wchar_t *restrict, const char *restrict, size_t);
+char *mkdtemp(char *);
+int mkostemp(char *, int);
+int mkstemp(char *);
+long mrand48(void);
+long nrand48(unsigned short[3]);
+int posix_memalign(void **, size_t, size_t);
+int posix_openpt(int);
+char *ptsname(int);
+int ptsname_r(int, char *, size_t);
+int putenv(char *);
+void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
+_Noreturn void quick_exit(int);
+void qsort_r(void *, size_t, size_t,
+	     int (*)(const void *, const void *, void *), void *);
+int rand(void);
+long random(void);
+void *realloc(void *, size_t);
+void *reallocarray(void *, size_t, size_t);
+char *realpath(const char *restrict, char *restrict);
+char *secure_getenv(const char *);
+unsigned short *seed48(unsigned short[3]);
+int setenv(const char *, const char *, int);
+void setkey(const char *);
+char *setstate(char *);
+void srand(unsigned);
+void srand48(long);
+void srandom(unsigned);
+double strtod(const char *restrict, char **restrict);
+float strtof(const char *restrict, char **restrict);
+long strtol(const char *restrict, char **restrict, int);
+long double strtold(const char *restrict, char **restrict);
+long long strtoll(const char *restrict, char **restrict, int);
+unsigned long strtoul(const char *restrict, char **restrict, int);
+unsigned long long strtoull(const char *restrict, char **restrict, int);
+int system(const char *);
+int unlockpt(int);
+int unsetenv(const char *);
+size_t wcstombs(char *restrict, const wchar_t *restrict, size_t);
+int wctomb(char *, wchar_t);
+
+#endif