org-hh:mm-string-to-minutes

org-hh:mm-string-to-minutes is a compiled Lisp function in `org.el'.

(org-hh:mm-string-to-minutes S)

Convert a string H:MM to a number of minutes.
If the string is just a number, interpret it as minutes.
In fact, the first hh:mm or number in the string will be taken,
there can be extra stuff in the string.
If no number is found, the return value is 0.