System Debug Reference Manual (32650-90888)

554 AppendixD

Reserved Variables/Functions

strlen func : u32 returns the current length of a string

strltrim func : str removes leading blanks from a string

strmax func : u32 maximum length of a string (constant)

strpos func : u32 position of a substring within a string

strrpt func : str string repeat

strrtrim func : str removes trailing blanks from a string

strup func : str upshifts a string

strwrite func : str string write (ala Pascal strwrite)

symaddr func : u32 returns the offset to a symbol in a structure

symconst func : any returns the value of a symbolic constant

syminset func : bool test for membership of a symbol in a set

symlen func : u32 returns the length of a symbolic data structure

sympath_upshift env : bool controls upshifting of path specs

symtype func : str returns the symbolic type of a speciﬁed path

symval func : any returns the value at a virtual address based on a

speciﬁed symbolic path

sys func : sys coerces an expression to a SYS LCPTR type

tcb func : u32 task control block

term_keeplock env : bool retain the terminal locking semaphore

term_ldev env : u16 the ldev used for I/O

term_locking env : bool enables_disables terminal process queueing

term_loud env : bool enables/disables output echoing to screen

term_paging env : bool enables/disables =terminal screen paging

term_width env : u16 width (in characters) of terminal output

time env : str current time of day

tr0 .. tr7 env : u32 temp registers tr0, tr1, tr2, ..tr7

trace_func env : u16 trace function entry, exit and parameters

trans func : trans coerces an expression to a TRANS LCPTR type

true env : bool the constant TRUE

Table D-1. Predeﬁned Environment Variables and Functions

Name Type Description