sdk: fix broken C examples (#33701)

fix C broken example

programs/sbf/c/src/move_funds/move_funds.c

@@ -5,7 +5,7 @@
 #include <solana_sdk.h>
 
 /**
- * Number of SolKeyedAccount expected. The program should bail if an
+ * Number of SolAccountInfo expected. The program should bail if an
  * unexpected number of accounts are passed to the program's entrypoint
  */
 #define NUM_KA 3

sdk/bpf/c/README.md

@@ -9,16 +9,14 @@ and `src/program.c` containing:
 ```c
 #include <solana_sdk.h>
 
-bool entrypoint(const uint8_t *input) {
-  SolKeyedAccount ka[1];
-  uint8_t *data;
-  uint64_t data_len;
+extern uint64_t entrypoint(const uint8_t *input) {
+  SolAccountInfo ka[1];
+  SolParameters params = (SolParameters) { .ka = ka };
 
-  if (!sol_deserialize(buf, ka, SOL_ARRAY_SIZE(ka), NULL, &data, &data_len)) {
-    return false;
+  if (!sol_deserialize(input, &params, SOL_ARRAY_SIZE(ka))) {
+    return ERROR_INVALID_ARGUMENT;
   }
-  print_params(1, ka, data, data_len);
-  return true;
+  return SUCCESS;
 }
 ```
 

sdk/sbf/c/README.md

@@ -9,16 +9,14 @@ and `src/program.c` containing:
 ```c
 #include <solana_sdk.h>
 
-bool entrypoint(const uint8_t *input) {
-  SolKeyedAccount ka[1];
-  uint8_t *data;
-  uint64_t data_len;
+extern uint64_t entrypoint(const uint8_t *input) {
+  SolAccountInfo ka[1];
+  SolParameters params = (SolParameters) { .ka = ka };
 
-  if (!sol_deserialize(buf, ka, SOL_ARRAY_SIZE(ka), NULL, &data, &data_len)) {
-    return false;
+  if (!sol_deserialize(input, &params, SOL_ARRAY_SIZE(ka))) {
+    return ERROR_INVALID_ARGUMENT;
   }
-  print_params(1, ka, data, data_len);
-  return true;
+  return SUCCESS;
 }
 ```