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 )
  - dbm_close ( Index Term Link )
  - dbm_delete ( Index Term Link )
  - dbm_error ( Index Term Link )
  - dbm_fetch ( Index Term Link )
  - dbm_firstkey ( Index Term Link )
  - dbm_nextkey ( Index Term Link )
  - dbm_open ( Index Term Link )
  - dbm_store ( 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 to string - tzsetwall ( 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 )
 
 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 )
 
 device number, manage - makedev, major, minor ( Index Term Link )
 
 dgettext - message handling function ( 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, 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 )
 
 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 )