8 /* Basic string functions */
10 /* Return the length of S. */
11 extern size_t strlen __P ((__const char *__s));
12 /* Append SRC onto DEST. */
13 extern char *strcat __P ((char *__restrict __dest,
14 __const char *__restrict __src));
15 /* Append no more than N characters from SRC onto DEST. */
16 extern char *strncat __P ((char *__restrict __dest,
17 __const char *__restrict __src, size_t __n));
19 /* Copy SRC to DEST. */
20 extern char *strcpy __P ((char *__restrict __dest,
21 __const char *__restrict __src));
22 /* Copy no more than N characters of SRC to DEST. */
23 extern char *strncpy __P ((char *__restrict __dest,
24 __const char *__restrict __src, size_t __n));
26 /* Compare S1 and S2. */
27 extern int strcmp __P ((__const char *__s1, __const char *__s2));
28 /* Compare N characters of S1 and S2. */
29 extern int strncmp __P ((__const char *__s1, __const char *__s2, size_t __n));
31 /* Find the first occurrence of C in S. */
32 extern char *strchr __P ((__const char *__s, int __c));
33 /* Find the last occurrence of C in S. */
34 extern char *strrchr __P ((__const char *__s, int __c));
35 /* Duplicate S, returning an identical malloc'd string. */
36 extern char *strdup __P ((__const char *__s));
38 /* Basic mem functions */
40 /* Copy N bytes of SRC to DEST. */
41 extern __ptr_t memcpy __P ((__ptr_t __restrict __dest,
42 __const __ptr_t __restrict __src, size_t __n));
43 /* Copy no more than N bytes of SRC to DEST, stopping when C is found.
44 Return the position in DEST one byte past where C was copied,
45 or NULL if C was not found in the first N bytes of SRC. */
46 extern __ptr_t memccpy __P ((__ptr_t __dest, __const __ptr_t __src,
47 int __c, size_t __n));
48 /* Search N bytes of S for C. */
49 extern __ptr_t memchr __P ((__const __ptr_t __s, int __c, size_t __n));
50 /* Set N bytes of S to C. */
51 extern __ptr_t memset __P ((__ptr_t __s, int __c, size_t __n));
52 /* Compare N bytes of S1 and S2. */
53 extern int memcmp __P ((__const __ptr_t __s1, __const __ptr_t __s2,
55 /* Copy N bytes of SRC to DEST, guaranteeing
56 correct behavior for overlapping strings. */
57 extern __ptr_t memmove __P ((__ptr_t __dest, __const __ptr_t __src,
61 /* Minimal (very!) locale support */
62 #define strcoll strcmp
63 #define strxfrm strncpy
67 #define rindex strrchr
69 /* Return the position of the first bit set in I, or 0 if none are set.
70 The least-significant bit is position 1, the most-significant 32. */
71 extern int ffs __P ((int __i)) __attribute__ ((const));
73 /* Other common BSD functions */
74 /* Set N bytes of S to 0. */
75 extern void bzero __P ((__ptr_t __s, size_t __n));
76 /* Copy N bytes of SRC to DEST (like memmove, but args reversed). */
77 extern void bcopy __P ((__const __ptr_t __src, __ptr_t __dest, size_t __n));
79 /* Compare S1 and S2, ignoring case. */
80 extern int strcasecmp __P ((__const char *__s1, __const char *__s2));
81 /* Compare no more than N chars of S1 and S2, ignoring case. */
82 extern int strncasecmp __P ((__const char *__s1, __const char *__s2,
84 /* Find the first occurrence in S of any character in ACCEPT. */
85 extern char *strpbrk __P ((__const char *__s, __const char *__accept));
86 /* Return the next DELIM-delimited token from *STRINGP,
87 terminating it with a '\0', and update *STRINGP to point past it. */
88 extern char *strsep __P ((char **__restrict __stringp,
89 __const char *__restrict __delim));
90 /* Find the first occurrence of NEEDLE in HAYSTACK. */
91 extern char *strstr __P ((__const char *__haystack, __const char *__needle));
92 /* Divide S into tokens separated by characters in DELIM. */
93 extern char *strtok __P ((char *__restrict __s,
94 __const char *__restrict __delim));
95 /* Divide S into tokens separated by characters in DELIM. Information
96 passed between calls are stored in SAVE_PTR. */
97 extern char *__strtok_r __P ((char *__restrict __s,
98 __const char *__restrict __delim,
99 char **__restrict __save_ptr));
100 #if defined __USE_POSIX || defined __USE_MISC
101 extern char *strtok_r __P ((char *__restrict __s,
102 __const char *__restrict __delim,
103 char **__restrict __save_ptr));
105 /* Return the length of the initial segment of S which
106 consists entirely of characters not in REJECT. */
107 extern size_t strcspn __P ((__const char *__s, __const char *__reject));
108 /* Return the length of the initial segment of S which
109 consists entirely of characters in ACCEPT. */
110 extern size_t strspn __P ((__const char *__s, __const char *__accept));
112 /* Return a string describing the meaning of the signal number in SIG. */
113 extern char *strsignal __P ((int __sig));
115 /* More BSD compatabilty */
116 int bcmp(const void *s1, const void *s2, size_t n);
118 /* Linux silly hour */
119 char *strfry __P ((char *));