[libc] Addressed todo to make first_non_whitespace to return an idx instead of ptr#148004

uzairnawaz merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

uzairnawaz:str_to_numeric_firstnonwhitespaceuzairnawaz/llvm-project:str_to_numeric_firstnonwhitespaceCopy head branch name to clipboard