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function::isdigit(3stap)

function::isdigit - Checks for a digit

FUNCTION::ISDIGIT(3stap) A collection of standard strin FUNCTION::ISDIGIT(3stap)

function::isdigit - Checks for a digit


isdigit:long(str:string)

str

string to check

Checks for a digit (0 through 9) as the first character of a string. Returns non-zero if true, and a zero if false.

tapset::string(3stap)

September 2026 SystemTap Tapset Reference Ver

systemtap 5.6-r0 · enterprise-packages · ingested 2026-10-02