HP Fortran Programmer's Reference (September 2007)

BLAS and libU77 libraries
libU77 routines
Chapter 12 647
libU77 routines
Table 12-2 lists the libU77 routines by category, and Table 12-3 briefly describes each routine,
including signature and argument information. The sizes of the data types listed in Table 12-3
are the default sizes, unless indicated otherwise. See Table 5-1 for the sizes of the default data
types.
Table 12-2 Categories of libU77 routines
Category libU77 routines
Date and time CTIME, DATEY2K,DTIME, ETIME, FDATE,
GMTIME, IDATE, IDATEY2K,ITIME, LTIME, TIME
Error handling GERROR, IERRNO, PERROR
File system functions ACCESS, CHDIR, CHMOD, FSTAT, ISATTY, LINK,
LSTAT, RENAME, STAT, SYMLNK, TTYNAM, UNLINK
Information retrieval GETARG, GETCWD, GETENV, GETGID, GETLOG,
GETPID, GETUID, HOSTNM, IARGC
Input/Output FGETC, FPUTC, FSEEK, FTELL, GETC, PUTC
Memory allocation FALLOC, FREE, MALLOC
Miscellaneous LOC, QSORT, SYSTEM
Process control ALARM, FORK, KILL, SIGNAL, SLEEP, WAIT
Tape input/output TCLOSE , TOPEN, TREAD, TREWIN, TSKIPF,
TSTATE, TWRITE
Table 12-3 libU77 routines
Name Description and signature
ACCESS Determines the accessibility of a file.
INTEGER FUNCTION ACCESS( name , mode )
CHARACTER(LEN=*) :: name , mode