C-string or null
C-string or null, can be multiline
"ok" "okcancel" "yesno" "yesnocancel"
"info" "warning" "error" "question"
0 for cancel/no , 1 for ok/yes , 2 for no in yesnocancel
0 for cancel/no, 1 for ok/yes, 2 for no in yesnocancel.
const int ret = tinyfd_messageBox("Hello World", "graphic dialogs [yes] / console mode [no]?", "yesno", "question", 1); tinyfd_forceConsole = (ret == 0);