treewide: fix header file definitions

src/basic/proc-cmdline.h

@@ -21,7 +21,7 @@ int proc_cmdline_strv(char ***ret);
 
 int proc_cmdline_parse(const proc_cmdline_parse_t parse, void *userdata, ProcCmdlineFlags flags);
 
-int proc_cmdline_get_key(const char *parameter, ProcCmdlineFlags flags, char **value);
+int proc_cmdline_get_key(const char *parameter, ProcCmdlineFlags flags, char **ret_value);
 int proc_cmdline_get_bool(const char *key, ProcCmdlineFlags flags, bool *ret);
 
 int proc_cmdline_get_key_many_internal(ProcCmdlineFlags flags, ...);

src/boot/console.h

@@ -32,7 +32,7 @@ enum {
         CONSOLE_MODE_FIRMWARE_MAX, /* 'max' in config. */
 };
 
-EFI_STATUS console_key_read(uint64_t *key, uint64_t timeout_usec);
+EFI_STATUS console_key_read(uint64_t *ret_key, uint64_t timeout_usec);
 EFI_STATUS console_set_mode(int64_t mode);
 EFI_STATUS console_query_mode(size_t *x_max, size_t *y_max);
 EFI_STATUS query_screen_resolution(uint32_t *ret_width, uint32_t *ret_height);

src/shared/vpick.h

@@ -55,7 +55,7 @@ int path_pick_update_warn(
                 char **path,
                 const PickFilter *filter,
                 PickFlags flags,
-                PickResult *ret);
+                PickResult *ret_result);
 
 int path_uses_vpick(const char *path);