include/linux/string.h

   1 #ifndef _LINUX_STRING_H_
   2 #define _LINUX_STRING_H_
   3
   4 /* We don't want strings.h stuff being user by user stuff by accident */
   5
   6 #ifdef __KERNEL__
   7
   8 #include <linux/types.h>        /* for size_t */
   9 #include <linux/stddef.h>       /* for NULL */
  10
  11 #ifdef __cplusplus
  12 extern "C" {
  13 #endif
  14
  15 extern char * strpbrk(const char *,const char *);
  16 extern char * strsep(char **,const char *);
  17 extern __kernel_size_t strspn(const char *,const char *);
  18 extern __kernel_size_t strcspn(const char *,const char *);
  19
  20 /*
  21  * Include machine specific inline routines
  22  */
  23 #include <asm/string.h>
  24
  25 #ifndef __HAVE_ARCH_STRCPY
  26 extern char * strcpy(char *,const char *);
  27 #endif
  28 #ifndef __HAVE_ARCH_STRNCPY
  29 extern char * strncpy(char *,const char *, __kernel_size_t);
  30 #endif
  31 #ifndef __HAVE_ARCH_STRLCPY
  32 size_t strlcpy(char *, const char *, size_t);
  33 #endif
  34 #ifndef __HAVE_ARCH_STRCAT
  35 extern char * strcat(char *, const char *);
  36 #endif
  37 #ifndef __HAVE_ARCH_STRNCAT
  38 extern char * strncat(char *, const char *, __kernel_size_t);
  39 #endif
  40 #ifndef __HAVE_ARCH_STRLCAT
  41 extern size_t strlcat(char *, const char *, __kernel_size_t);
  42 #endif
  43 #ifndef __HAVE_ARCH_STRCMP
  44 extern int strcmp(const char *,const char *);
  45 #endif
  46 #ifndef __HAVE_ARCH_STRNCMP
  47 extern int strncmp(const char *,const char *,__kernel_size_t);
  48 #endif
  49 #ifndef __HAVE_ARCH_STRNICMP
  50 extern int strnicmp(const char *, const char *, __kernel_size_t);
  51 #endif
  52 #ifndef __HAVE_ARCH_STRCHR
  53 extern char * strchr(const char *,int);
  54 #endif
  55 #ifndef __HAVE_ARCH_STRNCHR
  56 extern char * strnchr(const char *, size_t, int);
  57 #endif
  58 #ifndef __HAVE_ARCH_STRRCHR
  59 extern char * strrchr(const char *,int);
  60 #endif
  61 #ifndef __HAVE_ARCH_STRSTR
  62 extern char * strstr(const char *,const char *);
  63 #endif
  64 #ifndef __HAVE_ARCH_STRLEN
  65 extern __kernel_size_t strlen(const char *);
  66 #endif
  67 #ifndef __HAVE_ARCH_STRNLEN
  68 extern __kernel_size_t strnlen(const char *,__kernel_size_t);
  69 #endif
  70
  71 #ifndef __HAVE_ARCH_MEMSET
  72 extern void * memset(void *,int,__kernel_size_t);
  73 #endif
  74 #ifndef __HAVE_ARCH_MEMCPY
  75 extern void * memcpy(void *,const void *,__kernel_size_t);
  76 #endif
  77 #ifndef __HAVE_ARCH_MEMMOVE
  78 extern void * memmove(void *,const void *,__kernel_size_t);
  79 #endif
  80 #ifndef __HAVE_ARCH_MEMSCAN
  81 extern void * memscan(void *,int,__kernel_size_t);
  82 #endif
  83 #ifndef __HAVE_ARCH_MEMCMP
  84 extern int memcmp(const void *,const void *,__kernel_size_t);
  85 #endif
  86 #ifndef __HAVE_ARCH_MEMCHR
  87 extern void * memchr(const void *,int,__kernel_size_t);
  88 #endif
  89
  90 #ifdef __cplusplus
  91 }
  92 #endif
  93
  94 #endif
  95 #endif /* _LINUX_STRING_H_ */