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// compat.h
// Compatibility layer for functions not in standard C99
#ifndef MOSLIB_COMPAT_H
#define MOSLIB_COMPAT_H
#define _GNU_SOURCE 1 // glibc, musl, Bionic, Cygwin
#define _ALL_SOURCE 1 // AIX, z/OS, musl
#define _DARWIN_C_SOURCE 1 // macOS
#define _NETBSD_SOURCE 1 // NetBSD
#define _OPENBSD_SOURCE 1 // OpenBSD
#define __EXTENSIONS__ 1 // Solaris
// In C99 TU needs a declaration (which won't be the case if all functions are available)
typedef void mos_compat_decl;
#ifndef NO_STRDUP
#define mos_strdup strdup
#else
extern char *mos_strdup(const char *s);
#endif // NO_STRDUP
#ifndef NO_MEMMEM
#define mos_memmem memmem
#else
#include <stddef.h>
extern void *mos_memmem(const void *h, size_t h_size, const void *n, size_t n_size);
#endif // NO_MEMMEM
#ifndef NO_MKSTEMP
#define mos_mkstemp mkstemp
#else
#error mkstemp fallback not implemented
#endif // NO_MEMMEM
#endif // MOSLIB_COMPAT_H
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