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/* This file Copyright 1992,1993 by Clifford A. Adams */
/* samain.h
*
* Main routines for article-scan mode.
*/
/* sa_flags character bitmap:
* 0: If set, the article is "marked" (for reading).
* 1: If set, the article is "selected" (for zoom mode display).
* 2: Secondary selection--not currently used.
* 3: If set, the author of this article influenced its score.
*/
#define sa_mark(a) (sa_ents[a].sa_flags |= 1)
#define sa_clearmark(a) (sa_ents[a].sa_flags &= 0xfe)
#define sa_marked(a) (sa_ents[a].sa_flags & 1)
#define sa_select1(a) (sa_ents[a].sa_flags |= 2)
#define sa_clearselect1(a) (sa_ents[a].sa_flags &= 0xfd)
#define sa_selected1(a) (sa_ents[a].sa_flags & 2)
/* sa_select2 is not currently used */
#define sa_select2(a) (sa_ents[a].sa_flags |= 4)
#define sa_clearselect2(a) (sa_ents[a].sa_flags &= 0xfb)
#define sa_selected2(a) (sa_ents[a].sa_flags & 4)
#define sa_setauthscored(a) (sa_ents[a].sa_flags |= 8)
#define sa_clearauthscored(a) (sa_ents[a].sa_flags &= 0xf7)
#define sa_authscored(a) (sa_ents[a].sa_flags & 8)
/* misc. buffer */
EXT char sa_buf[LBUFLEN];
/* TRUE if in "zoom" (display only selected) mode */
EXT bool sa_mode_zoom INIT(FALSE);
/* if TRUE, the already-read articles have been added to the order arrays */
EXT bool sa_order_read INIT(FALSE);
/* contains the scan-context number for the current article scan */
EXT int sa_scan_context INIT(-1);
/* DON'T EDIT BELOW THIS LINE OR YOUR CHANGES WILL BE LOST! */
void sa_init _((void));
void sa_init_ents _((void));
void sa_clean_ents _((void));
long sa_add_ent _((ART_NUM));
void sa_cleanmain _((void));
void sa_growarts _((long,long));
void sa_init_context _((void));
bool sa_initarts _((void));
void sa_initmode _((void));
int sa_mainloop _((void));
void sa_lookahead _((void));
long sa_readmarked_elig _((void));
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