ref: 0e96fd0197e0ce8d4e69cb1e0dc96dcfb4bb3a1e dir: /sys/src/cmd/plot/libplot/erase.c/
#include "mplot.h" void erase(void){ m_swapbuf(); m_clrwin(clipminx, clipminy, clipmaxx, clipmaxy, e1->backgr); }