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Annotation of researchv9/cmd/emacs/stddefs.h, revision 1.1.1.1

1.1       root        1: /* This file contains standard definitions of useful C constants
                      2:  * and macros.         J. Leth, IH 6E-318
                      3:  */
                      4: 
                      5: 
                      6: typedef int BOOLEAN;
                      7: 
                      8: #define                HIGHB           0xff00
                      9: #define                LOWB            0x00ff
                     10: 
                     11: #define                TRUE            1
                     12: #define                FALSE           0
                     13: 
                     14: #define                NUL             '\0'
                     15: 
                     16: #define                makeint(hi,lo)  ((hi << 8) | (lo & LOWB))
                     17:        /* Makes an int out of two bytes */
                     18: 
                     19: #define usage(x)       fprintf(stderr, x); exit(1)
                     20: #define errexit(x,arg) fprintf(stderr, x, arg); perror(""); exit(1)
                     21: #define errmsg(x,arg)  fprintf(stderr, x, arg)
                     22: 
                     23: #define IDENT(x)x
                     24: #define CONCAT(x,y)IDENT(x)y
                     25:        /* Concatenates two symbols into one, (compiler or C
                     26:         * preprocessor symbols).
                     27:         */
                     28: #define QUOTE(x)"x"
                     29: 
                     30: #ifndef NDEBUG
                     31: #      define assert(ex) if (!(ex)) {\
                     32:        fprintf(stderr,"Assertion '%s' failed: file %s, line %d\n",\
                     33:                QUOTE(ex), __FILE__, __LINE__);\
                     34:        exit(1);\
                     35:        }
                     36: #else
                     37: #      define assert(ex)
                     38: #endif
                     39: 
                     40: #define ESC '\033'
                     41: 
                     42: #ifdef TRACEFLAG
                     43: #define TRACE(x,y) fprintf(stderr, "TRACE: "); fprintf(stderr, x, y)
                     44: #define TRACE2(x,y,z) fprintf(stderr, "TRACE: "); fprintf(stderr, x, y, z)
                     45: #else
                     46: #define TRACE(x,y)
                     47: #define TRACE2(x,y,z)
                     48: #endif

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