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Text File | 1988-10-30 | 8.2 KB | 304 lines

13.0 Builtin Function Summary The following list summarizes the built in functions that are available. It is organized alphabetically by category. 13.1 Allocation auto allocate automatic storage static allocate static storage tclear clear transient area (use with tset) tlevel return current transient level tpop restore previous transient area tpush allocate new transient area tset save transient area (use with tclear) 13.2 Arithmetic add add or increment div divide mod modulo mul multiply sub subtract or decrement 13.3 Array Handling arycre create and initialize array aryfre free array aryget get element from array by index arykget get element from array by key arykput put element into array by key arylcur set current location in mapped list to index arylmap map array to list aryput put element into array by index arysize return size of array 13.4 Bitwise Operators bitand bitwise AND bitnot bitwise NOT bitor bitwise OR bitls left shift bitrs right shift bitxor bitwise exclusive OR 13.5 Debug dbgbs set breakpoint(s) dbgbl list breakpoint(s) dbgbc clear breakpoint(s) dbgcont continue, disable single step dbgoff disable debugger dbgon enable debugger dbgsd display stack dbgstep enter single step mode dbgtroff disable tracing dbgtron enable tracing dbgvd display variable 13.6 Definition define create user defined function defint create internal user defined function 13.7 Directory chdir change directory copy copy file dirlst copy directory to list delete delete file getcwd get current working directory mkdir make directory rmdir remove directory rename rename file 13.8 Error Handling errcode get/set error code errfn specify error handler errinfo get error information errlevel get/set error message level errmsg get error message errsig signal error 13.9 File Access close close file eof check for end of file open open file read read record or block from file seek set read/write position in file tell get read/write position write write record or block to file 13.10 Flow of Control case if...then...else with comparand do execute block of functions exit return to command level for iterative loop with initialization, iteration and check goto transfer control to label if conditional execution label provide target for goto leave leave containing case/do/for/if/select/until/while loop infinite loop quit terminate interpreter return return to calling function select if...then...else with no comparand until execute loop until condition is true while execute loop while condition is true 13.11 Functions bifdir display builtin function names and information udfdir display user defined function names and information udfid identify user defined function given step number udflist list user defined function 13.12 Input/Output get get record from keyboard inkey get character from keyboard inp receive data from port outp send data to port put send record to console putx put without carriage return/line feed window access window 13.13 Linkage bind bind function to internal address (bif or udf) bifbind bind to builtin function address export export variable to other functions import import variable from other functions udfbind bind to user defined function address unbind unbind function from internal address 13.14 List Handling 13.14.1 Functions that create and destroy lists lstcre create and initialize list lstfre free list 13.14.2 Functions that add nodes to lists lsthpsh push node on head lsttpsh push node on tail lstcpsh push next node on current node lstspsh push sub node on current node 13.14.3 Functions that remove nodes from lists lsthpop pop node from head lsttpop pop node from tail lstcpop pop current node from list lstspop pop sub node from current node 13.14.4 Functions that return the value of nodes lsthget get value of head node lsttget get value of tail node lstcget get value of current node lstsget get value of sub node of current node 13.14.5 Functions that update the value of nodes lsthput update value of head node lsttput update value of tail node lstcput update value of current node lstsput update value of sub node of current node 13.14.6 Functions that specify or move the current location lsthead set current node to head node lsttail set current node to tail node lstprev set current node to previous node of current node lstnext set current node to next node of current node lstsub set current node to sub node of current node 13.14.7 Functions that return validity (existence) of specified nodes lstcval true if a current node has been specified lstnval true if next node to current node exists lstpval true if previous node to current node exists lstsval true if sub node to current node exists 13.14.8 Functions that map lists to arrays lstamap map a list to an array lstacur map current list node to an array index 13.14.9 Functions that manipulate entire lists lstjoin combine two lists into one list lstsplit separate a list into two lists lstread read a list from a file lstwrite write a list to a file lstsize return the size of a list lstsort sort a list lstswap interchange next and sub lists 13.15 Logical and Relational and logical AND any return true if leftmost argument matches any other eq equal ge greater than or equal to gt greater than le less than or equal to lt less than ne not equal not logical negate or logical OR 13.16 Math acos arc cosine asin arc sine atan arc tangent cos cosine exp exponential ln logarithm natural log logarithm base 10 pow power sin sine sqrt square root tan tangent 13.17 Memory memcre allocate memory memfre free memory memget get memory memput set memory 13.18 Miscellaneous eval translate and interpret character string feval translate and interpret file fmhex convert from hexadecimal to decimal format format string with substitutions genfre free any structure descriptor rand generate pseudo-random number 13.19 Patterns patalt check alternates patarb match arbitrary characters patcre create pattern pateol match end of line patfre free pattern patgrp match character from group patlit match literal patmatch execute match patneg negate match patpat group primitives patrem match remainder of string patrng match character from range patset assign match to variable patuse use pattern descriptor 13.20 Reference argc get number of arguments argn get argument name argt get argument type argv evaluate argument get_arg get argument step given program step get_nxt get next program step given program step get_sym get user defined function name given program step get_node get first program step given user defined function name set assign value to variable(s) sys get/set internal values 13.21 Strings strasc convert decimal ascii code to character strcat concatenate strings strchr convert character to decimal ascii code strcpy copy string n times strfnd find character from set in string strind find sub string in string strlc convert to lowercase strlen return string length strsub get substring strtrn translate string struc convert to uppercase strver find character from string not in set 13.22 System Functions break specify control-c handler getenv get field value from environment system pass command to operating system shell 13.23 Time and Date Functions day return formatted date and time date return date string seconds return seconds since some point in past time return time string