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Annotation of xinu/sys/shell/x_echo.c, revision 1.1

1.1     ! root        1: /* x_echo.c - x_echo */
        !             2: 
        !             3: #include <conf.h>
        !             4: #include <kernel.h>
        !             5: 
        !             6: /*------------------------------------------------------------------------
        !             7:  *  x_echo  -  (command echo) echo arguments separated by blanks
        !             8:  *------------------------------------------------------------------------
        !             9:  */
        !            10: COMMAND        x_echo(stdin, stdout, stderr, nargs, args)
        !            11: int    stdin, stdout, stderr, nargs;
        !            12: char   *args[];
        !            13: {
        !            14:        char    str[80];
        !            15:        int     i;
        !            16: 
        !            17:        if (nargs == 1)
        !            18:                str[0] = NULLCH;
        !            19:        else {
        !            20:                for (strcpy(str, args[1]),i=2 ; i<nargs ; i++) {
        !            21:                        strcat(str, " ");
        !            22:                        strcat(str, args[i]);
        !            23:                }
        !            24:        }
        !            25:        strcat(str, "\n");
        !            26:        write(stdout, str, strlen(str));
        !            27:        return(OK);
        !            28: }

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