newlib/libc/string/strings.tex

   1 @node Strings
   2 @chapter Strings and Memory (@file{string.h})
   3
   4 This chapter describes string-handling functions and functions for
   5 managing areas of memory.  The corresponding declarations are in
   6 @file{string.h}.
   7
   8 @menu
   9 * Function bcmp::        Compare two memory areas
  10 * Function bcopy::       Copy memory regions
  11 * Function bzero::       Initialize memory to zero
  12 * Function index::       Search for character in string
  13 * Function memccpy::     Copy memory regions up to end-token
  14 * Function memchr::      Find character in memory
  15 * Function memcmp::      Compare two memory areas
  16 * Function memcpy::      Copy memory regions
  17 * Function memmem::      Find memory segment
  18 * Function memmove::     Move possibly overlapping memory
  19 * Function mempcpy::     Copy memory regions and locate end
  20 * Function memrchr::     Reverse search for character in memory
  21 * Function memset::      Set an area of memory
  22 * Function rawmemchr::   Find character in memory
  23 * Function rindex::      Reverse search for character in string
  24 * Function stpcpy::      Copy string returning a pointer to its end
  25 * Function stpncpy::     Counted copy string returning a pointer to its end
  26 * Function strcasecmp::  Compare strings ignoring case
  27 * Function strcasestr::  Find string segment ignoring case
  28 * Function strcat::      Concatenate strings
  29 * Function strchr::      Search for character in string
  30 * Function strchrnul::   Search for character in string
  31 * Function strcmp::      Character string compare
  32 * Function strcoll::     Locale-specific character string compare
  33 * Function strcpy::      Copy string
  34 * Function strcspn::     Count chars not in string
  35 * Function strerror::    Convert error number to string (strerror, strerror_l)
  36 * Function strerror_r::  Convert error number to string
  37 * Function strlen::      Character string length
  38 * Function strlwr::      Convert string to lowercase
  39 * Function strncasecmp:: Compare strings ignoring case
  40 * Function strncat::     Concatenate strings
  41 * Function strncmp::     Character string compare
  42 * Function strncpy::     Counted copy string
  43 * Function strnstr::     Find string segment
  44 * Function strnlen::     Character string length
  45 * Function strpbrk::     Find chars in string
  46 * Function strrchr::     Reverse search for character in string
  47 * Function strsignal::   Return signal message string
  48 * Function strspn::      Find initial match
  49 * Function strstr::      Find string segment
  50 * Function strtok::      Get next token from a string
  51 * Function strupr::      Convert string to upper case
  52 * Function strverscmp::  Compare version strings
  53 * Function strxfrm::     Transform string
  54 * Function swab::        Swap adjacent bytes
  55 * Function wcscasecmp::  Compare wide character strings ignoring case
  56 * Function wcsdup::      Wide character string duplicate
  57 * Function wcsncasecmp:: Compare wide character strings ignoring case
  58 @end menu
  59
  60 @page
  61 @include string/bcmp.def
  62
  63 @page
  64 @include string/bcopy.def
  65
  66 @page
  67 @include string/bzero.def
  68
  69 @page
  70 @include string/index.def
  71
  72 @page
  73 @include string/memccpy.def
  74
  75 @page
  76 @include string/memchr.def
  77
  78 @page
  79 @include string/memcmp.def
  80
  81 @page
  82 @include string/memcpy.def
  83
  84 @page
  85 @include string/memmem.def
  86
  87 @page
  88 @include string/memmove.def
  89
  90 @page
  91 @include string/mempcpy.def
  92
  93 @page
  94 @include string/memrchr.def
  95
  96 @page
  97 @include string/memset.def
  98
  99 @page
 100 @include string/rawmemchr.def
 101
 102 @page
 103 @include string/rindex.def
 104
 105 @page
 106 @include string/stpcpy.def
 107
 108 @page
 109 @include string/stpncpy.def
 110
 111 @page
 112 @include string/strcasecmp.def
 113
 114 @page
 115 @include string/strcasestr.def
 116
 117 @page
 118 @include string/strcat.def
 119
 120 @page
 121 @include string/strchr.def
 122
 123 @page
 124 @include string/strchrnul.def
 125
 126 @page
 127 @include string/strcmp.def
 128
 129 @page
 130 @include string/strcoll.def
 131
 132 @page
 133 @include string/strcpy.def
 134
 135 @page
 136 @include string/strcspn.def
 137
 138 @page
 139 @include string/strerror.def
 140
 141 @page
 142 @include string/strerror_r.def
 143
 144 @page
 145 @include string/strlen.def
 146
 147 @page
 148 @include string/strlwr.def
 149
 150 @page
 151 @include string/strncasecmp.def
 152
 153 @page
 154 @include string/strncat.def
 155
 156 @page
 157 @include string/strncmp.def
 158
 159 @page
 160 @include string/strncpy.def
 161
 162 @page
 163 @include string/strnstr.def
 164
 165 @page
 166 @include string/strnlen.def
 167
 168 @page
 169 @include string/strpbrk.def
 170
 171 @page
 172 @include string/strrchr.def
 173
 174 @page
 175 @include string/strsignal.def
 176
 177 @page
 178 @include string/strspn.def
 179
 180 @page
 181 @include string/strstr.def
 182
 183 @page
 184 @include string/strtok.def
 185
 186 @page
 187 @include string/strupr.def
 188
 189 @page
 190 @include string/strverscmp.def
 191
 192 @page
 193 @include string/strxfrm.def
 194
 195 @page
 196 @include string/swab.def
 197
 198 @page
 199 @include string/wcscasecmp.def
 200
 201 @page
 202 @include string/wcsdup.def
 203
 204 @page
 205 @include string/wcsncasecmp.def