HelenOS sources

printf_putchar    153 boot/generic/src/printf_core.c static int printf_putchar(const char ch, printf_spec_t *ps)
printf_putchar    189 common/printf/printf_core.c static int printf_putchar(const char ch, printf_spec_t *ps)
printf_putchar    189 kernel/generic/common/printf/printf_core.c static int printf_putchar(const char ch, printf_spec_t *ps)
printf_putchar    189 uspace/lib/c/common/printf/printf_core.c static int printf_putchar(const char ch, printf_spec_t *ps)