The fwrite function
int fwrite(void *b, size_t z, size_t n, FILE *f);
- uses stream
f , which is open for writing
- writes
n data items, each of size z bytes
- items are taken from memory buffer at address
b
- returns the number of items successfully written (
nr )
- if an error occurs,
0 <= nr < n
-
void* means that buffer b could hold any type
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