void setfont(char *ch1)

# include "e.h"

void setfont(char *ch1)
{
yyval = ft;
if (strcmp(ch1, "I") == 0) { /* I and italic mean merely position 2 */
*ch1 = '2';
ft = ITAL;
} else if (strcmp(ch1, "B") == 0) { /* and similarly for B & bold */
*ch1 = '3';
ft = BLD;
} else if (strcmp(ch1, "R") == 0) { /* and R and roman */
*ch1 = '1';
ft = ROM;
} else {
ft = ROM; /* assume it's a roman style */
}
ftp++;
if (ftp >= &ftstack[10])
ERROR "font stack overflow (10)" FATAL;
ftp->ft = ft;
if (ch1[1] == 0) { /* 1-char name */
ftp->name[0] = *ch1;
ftp->name[1] = '\0';
} else
sprintf(ftp->name, "(%s", ch1);
dprintf(".\tsetfont %s %c\n", ch1, ft);
}

void font(int p1, int p2)
{
/* old font in p1, new in ft */
yyval = p2;
lfont[yyval] = rfont[yyval] = ft==ITAL ? ITAL : ROM;
ftp--;
ft = p1;
}

void globfont(void)
{
char temp[20];

getstr(temp, sizeof(temp));
yyval = eqnreg = 0;
if (strcmp(temp, "I") == 0 || strncmp(temp, "it", 2) == 0) {
ft = ITAL;
strcpy(temp, "2");
} else if (strcmp(temp, "B") == 0 || strncmp(temp, "bo", 2) == 0) {
ft = BLD;
strcpy(temp, "3");
} else if (strcmp(temp, "R") == 0 || strncmp(temp, "ro", 2) == 0) {
ft = ROM;
strcpy(temp, "1");
} else {
ft = ROM; /* assume it's a roman style */
}
ftstack[0].ft = ft;
if (temp[1] == 0) /* 1-char name */
strcpy(ftstack[0].name, temp);
else
sprintf(ftstack[0].name, "(%.2s", temp);
}

void fatbox(int p)
{
extern double Fatshift;

yyval = p;
printf(".ds %d \\*(%d\\h'-\\w'\\*(%d'u+%gm'\\*(%d\n", p, p, p, Fatshift, p);
}