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Annotation of coherent/d/usr/src/examples/preproc.c, revision 1.1

1.1     ! root        1: #include <errno.h>
        !             2: #include <math.h>
        !             3: #include <stdio.h>
        !             4: 
        !             5: void show(value, name)
        !             6: double value; char *name;
        !             7: {
        !             8:        if (errno)
        !             9:                perror(name);
        !            10:        else
        !            11:                printf("%10g %s\n", value, name);
        !            12:        errno = 0;
        !            13: }
        !            14: 
        !            15: #define display(x) show((double)(x), #x)
        !            16: 
        !            17: main()
        !            18: {
        !            19:        extern char *gets();
        !            20:        double  x;
        !            21:        char string[64];
        !            22: 
        !            23:        for (;;) {
        !            24:                printf("Enter a number: ");
        !            25:                fflush(stdout);
        !            26:        if (gets(string) == NULL)
        !            27:                break;
        !            28:        x = atof(string);
        !            29:        display(x);
        !            30:        display(cos(x));
        !            31:        display(sin(x));
        !            32:        display(tan(x));
        !            33:        display(acos(cos(x)));
        !            34:        }
        !            35:        putchar('\n');
        !            36: }
        !            37: 
        !            38: 

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