/* @(#)string.h	1.15 7/14/93 1 */

#ifndef __STRING_DEFINED
#define __STRING_DEFINED

#ifndef NULL
#define     NULL    (void *)0
#endif

#ifndef __SIZE_T_DEFINED
#define __SIZE_T_DEFINED
typedef unsigned long int size_t;
#endif

#if (defined __GNUC__) && !(defined __STDC__) 
/* if GNUC but not STDC then -traditional; no const, use __const__ instead */
extern int               strlen(__const__ char *);
extern int               memcmp(__const__ void *, __const__ void *, long int);
extern char             *memcpy(void *, __const__ void *, long int);
extern int               strcmp(__const__ char *, __const__ char *);
extern char             *strcpy(char *, __const__ char *);
void                    *memmove(void *s1,  __const__ void *s2, size_t n);
void                    *memchr(__const__ void *s1, int c, size_t n);
void                    *memset(void *s1, int c, size_t n);
char                    *strncpy(char *s1, __const__ char *s2, size_t n);
char                    *strcat(char *s1, __const__ char *s2);
char                    *strncat(char *s1, __const__ char *s2, size_t n);
int                      strcoll(__const__ char *s1, __const__ char *s2);
int                      strncmp(__const__ char *s1, __const__ char *s2, size_t n);
size_t                   strxfrm(char *s1, __const__ char *s2, size_t n);
char                    *strchr(__const__ char *s1, int c);
size_t                   strcspn(__const__ char *s1, __const__ char *s2);
char                    *strpbrk(__const__ char *s1, __const__ char *s2);
char                    *strrchr(__const__ char *s1, int c);
size_t                   strspn(__const__ char *s1, __const__ char *s2);
char                    *strstr(__const__ char *s1, __const__ char *s2);
char                    *strtok(char *s1, __const__ char *s2);
char                    *strerror(int errnum);
#else
int                      strcmp(const char *s1, const char *s2);
extern char             *strcpy(char *, const char *);
void                    *memcpy(void *s1,  const void *s2, size_t n);
size_t                   strlen(const char *s1);
int                      memcmp(const void *s1, const void *s2, size_t n);
void                    *memmove(void *s1,  const void *s2, size_t n);
void                    *memchr(const void *s1, int c, size_t n);
void                    *memset(void *s1, int c, size_t n);
char                    *strncpy(char *s1, const char *s2, size_t n);
char                    *strcat(char *s1, const char *s2);
char                    *strncat(char *s1, const char *s2, size_t n);
int                      strcoll(const char *s1, const char *s2);
int                      strncmp(const char *s1, const char *s2, size_t n);
size_t                   strxfrm(char *s1, const char *s2, size_t n);
char                    *strchr(const char *s1, int c);
size_t                   strcspn(const char *s1, const char *s2);
char                    *strpbrk(const char *s1, const char *s2);
char                    *strrchr(const char *s1, int c);
size_t                   strspn(const char *s1, const char *s2);
char                    *strstr(const char *s1, const char *s2);
char                    *strtok(char *s1, const char *s2);
char                    *strerror(int errnum);
#endif
#endif