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Diffstat (limited to 'reference/C/EXAMPLES/pointer3_func.c')
-rw-r--r-- | reference/C/EXAMPLES/pointer3_func.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/reference/C/EXAMPLES/pointer3_func.c b/reference/C/EXAMPLES/pointer3_func.c new file mode 100644 index 0000000..b507810 --- /dev/null +++ b/reference/C/EXAMPLES/pointer3_func.c @@ -0,0 +1,29 @@ +/* + * Purpose: Program to demonstrate passing apointer to a character + * string to a function. + * Author: M J Leslie. + * Date: 21-Apr-94 + */ + +int function1(char * array); + +main() +{ + char array1[10]="987654321"; /* one less so the \0 will fit */ + + function1(array1); /* call function */ + + printf("%s\n", array1); /* O/P the altered array. '5' will + * have been changed to 'x' */ +} + +/************************************************************************/ + +function1(char * array) +{ + printf("%s\n", array); /* printf expects a pointer. */ + + array +=4; /* Modify the pointer. */ + *array = 'x'; /* Modify the data pointed to + * by 'array' */ +} |