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libc.h
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C/C++ Source or Header
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1989-06-30
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3KB
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91 lines
#ifndef LIBC_H
#define LIBC_H
/*
* declarations of (supposedly) standard C library functions and types.
* we don't declare functions that once returned int but may now return void
* to avoid fatal but spurious compilation errors. VOID is an attempt to
* deal with this transition. sprvalue is similar.
*
* The function declarations need to be prototyped to give ANSI compilers
* less gastric distress.
*/
#include <time.h> /* Should be ifdef'd somehow!? */
#ifndef VOID
# define VOID void
#endif
#ifndef sprvalue
/*#define sprvalue char * /* for stupid archaic 4BSD */
# define sprvalue int
#endif
/* Unix system calls */
/* signal types: tailor to suite local tastes */
typedef VOID (*sigret_t)();
typedef VOID (*sigarg_t)();
#ifdef A_STABLE_WORLD
extern VOID _exit();
extern int access(), chown(), fork(), link();
extern int mkdir(), umask(), unlink(), wait();
extern int alarm(); /* really unsigned? */
extern int getuid(), geteuid(), getgid(), getegid();
extern int setuid(), setgid();
extern int gethostname();
extern int execv(), execl(), execve(), execle();
#endif /* A_STABLE_WORLD */
extern char *ctime(); /* time.h */
extern time_t time(); /* sys/timeb.h? */
extern int errno; /* errno.h */
extern char **environ;
/* C library */
#ifdef A_STABLE_WORLD
extern int strcmp(), strncmp(), strlen(); /* strings.h */
#endif /* A_STABLE_WORLD */
extern char *strcpy(), *strcat(), *strncpy(), *strncat(); /* strings.h */
extern char *index(), *rindex(); /* strings.h */
extern char *memcpy(); /* memory.h */
#ifdef A_STABLE_WORLD
extern int fflush(), fputs(), ungetc(); /* stdio.h */
extern int fread(), fwrite(), fseek(); /* stdio.h */
extern int pclose(); /* stdio.h */
extern VOID rewind(); /* stdio.h */
extern VOID exit(); /* stdio.h */
#endif /* A_STABLE_WORLD */
extern FILE *popen(); /* stdio.h */
#ifdef __STDC__
extern int printf(char *fmt, ...); /* stdio.h */
extern int fprintf(FILE *, char *fmt, ...); /* stdio.h */
extern sprvalue sprintf(char *buf, char *fmt, ...); /* stdio.h */
#else /* __STDC__ */
extern int printf(), fprintf(); /* stdio.h */
extern sprvalue sprintf(); /* stdio.h */
#endif /* __STDC__ */
/* these unfortunately cannot be relied upon to be in the right header */
extern struct passwd *getpwnam(); /* pwd.h */
extern struct group *getgrnam(); /* grp.h */
extern long atol();
extern char *mktemp();
extern char *getenv();
#ifdef A_STABLE_WORLD
extern int putenv(), system();
extern int getopt();
#endif /* A_STABLE_WORLD */
extern int optind;
extern char *optarg;
#include "alloc.h" /* ugh */
#endif /* LIBC_H */