@node Strings@chapter Strings and Memory (@file{string.h}) This chapter describes string-handling functions and functions formanaging areas of memory.  The corresponding declarations are in@file{string.h}. @menu* Function bcmp::        Compare two memory areas* Function bcopy::       Copy memory regions* Function bzero::       Initialize memory to zero* Function index::       Search for character in string* Function memccpy::     Copy memory regions up to end-token* Function memchr::      Find character in memory* Function memcmp::      Compare two memory areas* Function memcpy::      Copy memory regions* Function memmem::      Find memory segment* Function memmove::     Move possibly overlapping memory* Function mempcpy::     Copy memory regions and locate end* Function memrchr::     Reverse search for character in memory* Function memset::      Set an area of memory* Function rawmemchr::   Find character in memory* Function rindex::      Reverse search for character in string* Function stpcpy::      Copy string returning a pointer to its end* Function stpncpy::     Counted copy string returning a pointer to its end* Function strcasecmp::  Compare strings ignoring case* Function strcasestr::  Find string segment ignoring case* Function strcat::      Concatenate strings* Function strchr::      Search for character in string* Function strchrnul::   Search for character in string* Function strcmp::      Character string compare* Function strcoll::     Locale-specific character string compare* Function strcpy::      Copy string* Function strcspn::     Count chars not in string* Function strerror::    Convert error number to string (strerror, strerror_l)* Function strerror_r::  Convert error number to string* Function strlen::      Character string length* Function strlwr::      Convert string to lowercase* Function strncasecmp:: Compare strings ignoring case* Function strncat::     Concatenate strings* Function strncmp::     Character string compare* Function strncpy::     Counted copy string* Function strnstr::     Find string segment* Function strnlen::     Character string length* Function strpbrk::     Find chars in string* Function strrchr::     Reverse search for character in string* Function strsignal::   Return signal message string* Function strspn::      Find initial match* Function strstr::      Find string segment* Function strtok::      Get next token from a string* Function strupr::      Convert string to upper case* Function strverscmp::  Compare version strings* Function strxfrm::     Transform string* Function swab::        Swap adjacent bytes* Function wcscasecmp::  Compare wide character strings ignoring case* Function wcsdup::      Wide character string duplicate* Function wcsncasecmp:: Compare wide character strings ignoring case@end menu @page@include string/bcmp.def @page@include string/bcopy.def @page@include string/bzero.def @page@include string/index.def @page@include string/memccpy.def @page@include string/memchr.def @page@include string/memcmp.def @page@include string/memcpy.def @page@include string/memmem.def @page@include string/memmove.def @page@include string/mempcpy.def @page@include string/memrchr.def @page@include string/memset.def @page@include string/rawmemchr.def @page@include string/rindex.def @page@include string/stpcpy.def @page@include string/stpncpy.def @page@include string/strcasecmp.def @page@include string/strcasestr.def @page@include string/strcat.def @page@include string/strchr.def @page@include string/strchrnul.def @page@include string/strcmp.def @page@include string/strcoll.def @page@include string/strcpy.def @page@include string/strcspn.def @page@include string/strerror.def @page@include string/strerror_r.def @page@include string/strlen.def @page@include string/strlwr.def @page@include string/strncasecmp.def @page@include string/strncat.def @page@include string/strncmp.def @page@include string/strncpy.def @page@include string/strnstr.def @page@include string/strnlen.def @page@include string/strpbrk.def @page@include string/strrchr.def @page@include string/strsignal.def @page@include string/strspn.def @page@include string/strstr.def @page@include string/strtok.def @page@include string/strupr.def @page@include string/strverscmp.def @page@include string/strxfrm.def @page@include string/swab.def @page@include string/wcscasecmp.def @page@include string/wcsdup.def @page@include string/wcsncasecmp.def