How to convert two functions from MQL4 to pine script

External question — Stack Overflow Stack Exchange Author: Erfan jafari Original post: https://stackoverflow.com/questions/63833572 License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/ Adaptation: HTML converted to plain text; contact email addresses removed. i have a code in mql4 language and i want to convert the lines to pine script language. i=rates_total dist = 24 hhb = iHighest(NULL,0,MODE_HIGH,dist,i-dist/2); llb = iLowest(NULL,0,MODE_LOW,dist,i-dist/2); i need a similar code that works exactly like this in pine script