#include "cplot.h" char ucursor(x,y) float *x,*y; { char g_buf[CURSBUFSIZE]; register int i; g_alpha(); g_ekoff(); for( i=1; i<g_syncs; i++ ) putc( SYNC, stdout ); fputs( CURSREAD, stdout ); fgets( g_buf, CURSBUFSIZE, stdin ); /* TERMINAL MUST SUPPLY CR AT END OF TRANSMISSION */ if( feof(stdin) ) { fgets( &g_buf[1], CURSBUFSIZE - 1, stdin ); g_buf[0] = EOF; } /* reconstruct x in user co-ords */ *x = (((g_buf[1]&MASK)<<5) | (g_buf[2]&MASK)) * (g_xhi - g_xlo) / SXMAX + g_xlo; /* reconstruct y in user co-ords */ *y = (((g_buf[3]&MASK)<<5) | (g_buf[4]&MASK)) * (g_yhi - g_ylo) / SYMAX + g_ylo; g_ekon(); return(g_buf[0]); }