man pages section 3: Basic Library Functions
    
D
 
 data base subroutines — dbm ( Index Term Link )
  dbmclose ( Index Term Link )
  dbminit ( Index Term Link )
  delete ( Index Term Link )
  fetch ( Index Term Link )
  firstkey ( Index Term Link )
  nextkey ( Index Term Link )
  store ( Index Term Link )
 
 database functions — dbm_clearerr ( Index Term Link )
 
 database functions — dbm_close ( Index Term Link )
 
 database functions — dbm_delete ( Index Term Link )
 
 database functions — dbm_error ( Index Term Link )
 
 database functions — dbm_fetch ( Index Term Link )
 
 database functions — dbm_firstkey ( Index Term Link )
 
 database functions — dbm_nextkey ( Index Term Link )
 
 database functions — dbm_open ( Index Term Link )
 
 database functions — dbm_store ( Index Term Link )
 
 database functions — ndbm ( Index Term Link )
 
 date and time
  convert to string — asctime ( Index Term Link )
  convert to string — asctime_r ( Index Term Link )
  convert to string — ctime ( Index Term Link )
  convert to string — ctime_r ( Index Term Link )
  convert to string — gmtime ( Index Term Link )
  convert to string — gmtime_r ( Index Term Link )
  convert to string — localtime ( Index Term Link )
  convert to string — localtime_r ( Index Term Link )
  convert to string — tzset ( Index Term Link )
  convert user format date and time — getdate ( Index Term Link )
  — gettimeofday ( Index Term Link ) ( Index Term Link )
 
 date and time conversion — strptime ( Index Term Link )
 
 dbm — data base subroutines ( Index Term Link )
 
 dbm_clearerr — database functions ( Index Term Link )
 
 dbm_close — database functions ( Index Term Link )
 
 dbm_delete — database functions ( Index Term Link )
 
 dbm_error — database functions ( Index Term Link )
 
 dbm_fetch — database functions ( Index Term Link )
 
 dbm_firstkey — database functions ( Index Term Link )
 
 dbm_nextkey — database functions ( Index Term Link )
 
 dbm_open — database functions ( Index Term Link )
 
 dbm_store — database functions ( Index Term Link )
 
 dbmclose — data base subroutines ( Index Term Link )
 
 dbminit — data base subroutines ( Index Term Link )
 
 dcgettext — message handling functions ( Index Term Link )
 
 dcngettext — message handling functions ( Index Term Link )
 
 debugging features of the umem library — umem_debug ( Index Term Link )
 
 debugging memory allocator
  — calloc ( Index Term Link )
  — cfree ( Index Term Link )
  — free ( Index Term Link )
  — mallinfo ( Index Term Link )
  — malloc ( Index Term Link )
  — mallopt ( Index Term Link )
  — memalign ( Index Term Link )
  — realloc ( Index Term Link )
  — valloc ( Index Term Link )
 
 decimal record from double-precision floating — double_to_decimal ( Index Term Link )
 
 decimal record from extended-precision floating — extended_to_decimal ( Index Term Link )
 
 decimal record from quadruple-precision floating — quadruple_to_decimal ( Index Term Link )
 
 decimal record from single-precision floating — single_to_decimal ( Index Term Link )
 
 decimal record to double-precision floating — decimal_to_double ( Index Term Link )
 
 decimal record to extended-precision floating — decimal_to_extended ( Index Term Link )
 
 decimal record to quadruple-precision floating — decimal_to_quadruple ( Index Term Link )
 
 decimal record to single-precision floating — decimal_to_single ( Index Term Link )
 
 decimal_to_double — decimal record to double-precision floating ( Index Term Link )
 
 decimal_to_extended — decimal record to extended-precision floating ( Index Term Link )
 
 decimal_to_quadruple — decimal record to quadruple-precision floating ( Index Term Link )
 
 decimal_to_single — decimal record to single-precision floating ( Index Term Link )
 
 decompose floating-point number
  — modf ( Index Term Link )
  — modff ( Index Term Link )
 
 define character class — wctype ( Index Term Link )
 
 define character mapping — wctrans ( Index Term Link )
 
 define default catalog — setcat ( Index Term Link )
 
 define the label for pfmt() and lfmt(). — setlabel ( Index Term Link )
 
 delete — data base subroutines ( Index Term Link )
 
 detach a name from a STREAMS-based file descriptor — fdetach ( Index Term Link )
 
 determine conversion object status — mbsinit ( Index Term Link )
 
 determine if address is within stack boundaries — stack_inbounds ( Index Term Link )
 
 determine stack boundary violation event — stack_violation ( Index Term Link )
 
 device number, manage — makedev, major, minor ( Index Term Link )
 
 dgettext — message handling functions ( Index Term Link )
 
 difftime — computes the difference between two calendar times ( Index Term Link )
 
 directio — provide advice to file system ( Index Term Link )
 
 directories
  get current working directory pathname — getwd ( Index Term Link )
  get pathname of current working directory — getcwd ( Index Term Link )
 
 directory operations
  — alphasort ( Index Term Link )
  — scandir ( Index Term Link )
 
 dirname — report parent directory name of file path name ( Index Term Link )
 
 display error message in standard format — pfmt ( Index Term Link )
 
 display error message in standard format and pass to logging and monitoring services — lfmt ( Index Term Link )
 
 display error message in standard format and pass to logging and monitoring services — vlfmt ( Index Term Link )
 
 display error message in standard format and pass to logging and monitoring services — vpfmt ( Index Term Link )
 
 div — compute quotient and remainder ( Index Term Link )
 
 division and remainder operations
  — div ( Index Term Link )
  — ldiv ( Index Term Link )
 
 dladdr — translate address to symbolic information ( Index Term Link )
 
 dladdr1 — translate address to symbolic information ( Index Term Link )
 
 dlclose — close a shared object ( Index Term Link )
 
 dldump — create new file from dynamic object component of calling process ( Index Term Link )
 
 dlerror — get diagnostic information ( Index Term Link )
 
 dlinfo — dynamic load information ( Index Term Link )
 
 dlopen — open a shared object ( Index Term Link )
 
 dlsym — get address of symbol in shared object or executable ( Index Term Link )
 
 dngettext — message handling functions ( Index Term Link )
 
 double_to_decimal — decimal record from double-precision floating ( Index Term Link )
 
 dup2 — duplicate an open file descriptor ( Index Term Link )
 
 duplicate an open file descriptor — dup2 ( Index Term Link )
 
 dynamic linking
  close a shared object — dlclose ( Index Term Link )
  create new file from dynamic object component — dldump ( Index Term Link )
  get address of symbol in shared object or executable — dlsym ( Index Term Link )
  get diagnostic information — dlerror ( Index Term Link )
  open a shared object — dlopen ( Index Term Link )
 
 dynamic load information — dlinfo ( Index Term Link )